TIBURON(GK) >2004 > G 2.7 DOHC > Fuel System > Engine Control System>Description and Operation  
INSPECTION CHART FOR DIAGNOSTIC TROUBLE CODES (FOR 2.7 V6)
DTC NO.
CONTENT
Memory
MIL
P0101
Mass Air Flow Circuit Range/performance Problem
O
O
P0102
Mass Air Flow Circuit Low Input
O
O
P0103
Mass Air Flow Circuit High Input
O
O
P0112
Intake Air Temperature Circuit Low Input
O
O
P0113
Intake Air Temperature Circuit High Input
O
O
P0116
Engine Coolant Temperature Sensor Circuit Range/Performance Problem
O
O
P0117
Engine Coolant Temperature Circuit Low Input
O
O
P0118
Engine Coolant Temperature Circuit High Input
O
O
P0119
Engine Coolant Temperature Circuit Intermittent
O
O
P0121
Throttle Position Sensor Circuit Range/Performance Problem
O
O
P0122
Throttle Position Sensor Circuit Low Input
O
O
P0123
Throttle Position Sensor Circuit High Input
O
O
P0125
Insufficient Coolant Temperature For Closed Loop Fuel Control
O
O
P0128
Coolant thermostat stuck
O
O
P0131
HO2S Circuit Low Input (Bank 1, Sensor 1)
O
O
P0132
HO2S Circuit High Input (Bank 1, Sensor 1)
O
O
P0133
HO2S Circuit Slow Responsive (Bank 1, Sensor 1)
O
O
P0134
HO2S Circuit No Activity Detected (Bank 1, Sensor 1)
O
O
P0030
HO2S Heater Control Circuit (Bank 1, Sensor 1)
O
O
P0031
HO2S Heater Circuit Low (Bank 1, Sensor 1)
O
O
P0032
HO2S Heater Circuit High (Bank 1, Sensor 1)
O
O
P0137
HO2S Circuit Low Input (Bank 1, Sensor 2)
O
O
P0138
HO2S Circuit Low Input (Bank 1, Sensor 2)
O
O
P0140
HO2S Circuit No Activity Detected (Bank 1, Sensor 2)
O
O
P0037
HO2S Heater Circuit Low (Bank 1, Sensor 2)
O
O
P0038
HO2S Heater Circuit High (Bank 1, Sensor 2)
O
O
P0151
HO2S Circuit Low Input (Bank 2, Sensor 1)
O
O
P0152
HO2S Circuit High Input (Bank 2, Sensor 1)
O
O
P0153
HO2S Circuit Slow Responsive (Bank 2, Sensor 1)
O
O
P0154
HO2S Circuit No Activity Detected (Bank 2, Sensor 1)
O
O
P0050
HO2S Heater Control Circuit (Bank 2, Sensor 1)
O
O
P0051
HO2S Heater Circuit Low (Bank 2, Sensor 1)
O
O
P0052
HO2S Heater Circuit High (Bank 2, Sensor 1)
O
O
P0157
HO2S Circuit Low Input (Bank 2, Sensor 2)
O
O
P0158
HO2S Circuit High Input (Bank 2, Sensor 2)
O
O
P0160
HO2S Circuit No Activity Detected (Bank 2, Sensor 2)
O
O
P0057
HO2S Heater Circuit Low (Bank 2, Sensor 2)
O
O
P0058
HO2S Heater Circuit High (Bank 2, Sensor 2)
O
O
P0171
Fuel System Too Lean (Bank 1)
O
O
P0172
Fuel System Too Rich (Bank 1)
O
O
P0174
Fuel System Too Lean (Bank 2)
O
O
P0175
Fuel System Too Rich (Bank 2)
O
O
P0230
Fuel Pump Circuit Malfunction
O
X
P0261
Injector Circuit Low Input (Cylinder -1)
O
O
P0264
Injector Circuit Low Input (Cylinder -2)
O
O
P0267
Injector Circuit Low Input (Cylinder -3)
O
O
P0270
Injector Circuit Low Input (Cylinder -4)
O
O
P0273
Injector Circuit Low Input (Cylinder -5)
O
O
P0276
Injector Circuit Low Input (Cylinder -6)
O
O
P0262
Injector Circuit High Input (Cylinder -1)
O
O
P0265
Injector Circuit High Input (Cylinder -2)
O
O
P0268
Injector Circuit High Input (Cylinder -3)
O
O
P0271
Injector Circuit High Input (Cylinder -4)
O
O
P0274
Injector Circuit High Input (Cylinder -5)
O
O
P0277
Injector Circuit High Input (Cylinder -6)
O
O
P0300
Random Misfire Detected
O
O
P0301
Misfire Detected (Cylinder -1)
O
O
P0302
Misfire Detected (Cylinder -2)
O
O
P0303
Misfire Detected (Cylinder -3)
O
O
P0304
Misfire Detected (Cylinder -4)
O
O
P0305
Misfire Detected (Cylinder -5)
O
O
P0306
Misfire Detected (Cylinder -6)
O
O
P0325
Knock Sensor Circuit Malfunction (Bank 1)
O
X
P0330
Knock Sensor Circuit Malfunction (Bank 2)
O
X
P0335
Crankshaft Position Sensor Circuit Malfunction
O
O
P0340
Camshaft Position Sensor Circuit Malfunction
O
O
P0420
Main catalyst efficiency deterioration (Bank 1)
O
O
P0430
Main catalyst efficiency deterioration (Bank 2)
O
O
P0441
EVAP Emission Control System Incorrect Purge Flow
O
O
P0442
EVAP Emission Control System Small Leak (1 mm)
O
O
P0444
EVAP Emission Control System Purge Control Valve Circuit Open
O
O
P0445
EVAP Emission Control System Purge Control Valve Circuit Shorted
O
O
P0449
EVAP Emission Control System Vent Valve/Solenoid Circuit
O
O
P0447
EVAP Emission Control System Vent Circuit Open
O
O
P0448
EVAP Emission Control System Vent Circuit Shorted
O
O
P0451
EVAP Emission Control System Pressure Sensor Range/Performance Problem
O
O
P0452
EVAP Emission Control System Pressure Sensor Low Input
O
O
P0453
EVAP Emission Control System Pressure Sensor High Input
O
O
P0454
Evaporative Emission Control System - Pressure Sensor Intermittent
O
O
P0455
EVAP Emission Control System - Large Leak
O
O
P0456
Evaporative Emission Control System - Small Leak Detected (0.5mm)
O
O
P0461
Fuel Level Sensor Circuit Range/Performance
O
O
P0462
Fuel Level Sensor Circuit Low Input
O
O
P0463
Fuel Level Sensor Circuit High Input
O
O
P0464
Fuel Level Sensor Circuit Intermittent
O
O
P0501
Vehicle Speed Sensor Range/Performance
O
O
P0506
Idle Control System Rpm Lower than Expected
O
O
P0507
Idle Control System rpm Higher than Expected
O
O
P1134
HO2S Circuit - Transition Switch Malfunction/Slip (Bank 1, Sensor 1)
O
O
P1154
HO2S Circuit - Transition Switch Malfunction/Slip (Bank 2, Sensor 1)
O
O
P1166
Lambda Bank Control Limit (Bank 1)
O
O
P1167
Lambda Bank Control Limit (Bank 2)
O
O
P0036
HO2S Heater Control Circuit (Bank 1, Sensor 2)
O
O
P0056
HO2S Heater Control Circuit (Bank 2, Sensor 2)
O
O
P1372
Segment Time Acquisition Incorrect
O
X
P1505
Idle Speed Actuator Signal Low of Coil #1
O
O
P1506
Idle Speed Actuator Signal High of Coil #1
O
O
P1507
Idle Speed Actuator Signal Low of Coil #2
O
O
P1508
Idle Speed Actuator Signal High of Coil #2
O
O
P1521
Power Steering Switch Malfunction
O
X
P1529
TCU Request for MIL ON/Freeze Frame to ECU via CAN
O
O
P1602
Serial Communication Problem with TCU (Timeout)
O
O
P0605
Internal CONTROL module ROM error
O
O
P0560
System Voltage Malfunction
O
X
P0562
System Voltage Low
O
O
P0563
System Voltage High
O
O
P0650
Malfunction Indication Lamp (MIL) Control Circuit Malfunction
O
X
P1624
Cooling Fan Relay Circuit Malfunction (LOW)
O
X
P1625
Cooling Fan Relay Circuit Malfunction (HIGH)
O
X

TROUBLE AREA RELATED TO DTC
Check items for each diagnostic item do not list all probable causes.
DTC No.
Diagnostic items
Trouble area
P0101
Mass Air Flow Circuit Range/performance Problem
Dirty air cleaner
Oil cap or dipstick missing or not installed correctly
Air leak in intake system
Contaminated, deteriorated or damaged mass air flow sensor
Faulty mass air flow sensor or throttle position sensor
Poor connections between ECM and MAFS or TPS
If any codes relating to MAFS are present, do all repairs associated with them before proceeding with this troubleshooting area.
P0102
Mass Air Flow Circuit Low Input
Short to ground between MAFS and ECM
Signal line open between MAFS and ECM
Faulty MAFS
P0103
Mass Air Flow Circuit High Input
Short to Battery between MAFS and ECM
Ground open between MAFS and EGI main relay
Ground open or Poor connections between open or short to battery between MAFSand ECM
Faulty MAFS
P0112
Intake Air Temperature Circuit Low Input
Short to ground between IAT sensor and ECM
Short between IAT sensor wires
Faulty IAT sensor
P0113
Intake Air Temperature Circuit High Input
Open or short to battery between IAT sensor and ECM
Faulty IAT sensor
P0115
Engine Coolant Temperature Circuit Malfunction
Open or short to battery between ECTS and ECM
Short to ground between ECTS and ECM
Short between ECTS wires
Faulty ECTS
P0116
Engine Coolant Temperature Sensor Circuit Range/Performance Problem
After engine start-up, the measured coolant temperature shows no variation after detecting the calculated coolant temperature variation (engine coolant temperature sensor input is stuck.)
Poor connections between ECT sensor and ECM
Misplaced, loose or corroded terminals
Foreign materials fouled ECTS
Faulty ECTS
If any codes relating to ECTS are present, do all repairs associated with them before proceeding with this troubleshooting area.
P0117
Engine Coolant Temperature Circuit Low Input
Short to ground between ECTS and ECM
Short between ECTS wires
Faulty ECTS
P0118
Engine Coolant Temperature Circuit High Input
Open or short to battery between ECTS and ECM
Faulty ECTS
P0119
Engine Coolant Temperature Circuit Intermittent
Poor connections between ECTS and ECM
Misplaced, loose or corroded terminals
Foreign materials fouled ECTS
P0121
Throttle Position Sensor Circuit Range/Performance Problem
Poor connections between TPS and ECM
Misplaced, loose or corrodes terminals
Contaminated, deteriorated TPS
Open or short between TPS 5V reference and ECM
Open or short between TPS signal and ECM
Short between TPS wires
Faulty TPS
P0122
Throttle Position Sensor Circuit Low Input
Short to GND between TPS and ECM
Open short to GND between TPS and ECM
Short to RND between ECM and fuel tank pressure sensor (FTPS)
Faulty TPS or FTPS
P0123
Throttle Position Sensor Circuit High Input
Open or short to battery between TPS and ECM
Open between and ECM
Faulty TPS
P0125
Insufficient Coolant Temperature For Closed Loop Fuel Control
After engine start-up, the elapsed time before feedback operation is initiated is too long (engine coolant temperature sensor input is insufficient for closed loop operation)
Poor connections between ECT sensor and ECM
Faulty ECTS
Thermostat
P0128
Coolant thermostat stuck
Thermostat stuck opened
P0131
HO2S Circuit Low Input (Bank 1, Sensor 1)
Short to GND between HO2S and ECM
Faulty front HO2S
P0132
HO2S Circuit High Input (Bank 1, Sensor 1)
Short to battery between HO2S and ECM
Faulty front HO2S
P0133
HO2S Circuit Slow Responsive (Bank 1, Sensor 1)
Front and rear HO2S connections reversed
Faulty fuel delivery system
Leak in intake system
Leak in exhaust system
Faulty MAFS ground circuit
Faulty HO2S
If any misfire, purge solenoid valve, MAFS or HO2S heater codes are present,do all repairs associated with those codes before proceeding with this trouble area.
P0134
HO2S Circuit No Activity Detected (Bank 1, Sensor 1)
Contaminated, deteriorated or aged HO2S
Misplaced, bent, loose or corroded connector terminals
Faulty HO2S
If any misfire, purge solenoid valve or HO2S heater codes are present, do all repairs associated with those codes before proceeding this trouble area.
P0135
HO2S Heater Circuit Malfunction (Bank 1, Sensor 1)
Blown or missing HO2S fuse
Short to battery between front HO2S and ECM
Open between front HO2S and ECM
Faulty front HO2S
P0030
HO2S Heater Control Circuit (Bank 1, Sensor 1)
Contaminated, deteriorated or aged HO2S
Heater Resistance out of Reasonable Range
Misplaced, bent, loose or corroded connector terminals
Faulty HO2S
P0031
HO2S Heater Circuit Low (Bank 1, Sensor 1)
Blown or mission HO2S fuse
Open or short to GND between HO2S and ECM
Faulty HO2S
P0032
HO2S Heater Circuit High (Bank 1, Sensor 1)
Short to battery between HO2S and ECM
Faulty HO2S
P0136
HO2S Circuit Malfunction (Bank 1, Sensor 2)
Short between rear HO2S and ECM
Faulty rear HO2S
P0137
HO2S Circuit Low Input (Bank 1, Sensor 2)
Short to GND between HO2S and ECM
Faulty front HO2S
P0138
HO2S Circuit Low Input (Bank 1, Sensor 2)
Open or short to battery between HO2S and ECM
Faulty front HO2S
P0139
HO2S Circuit Slow Responsive (Bank 1, Sensor 2)
Front and rear HO2S connections reversed
Faulty fuel delivery system
Leak in intake system
Leak in exhaust system
Faulty MAFS ground circuit
Faulty HO2S
If any misfire, purge solenoid valve, MAFS or HO2S heater codes are present,do all repairs associated with those codes before proceeding with this troublearea.
P0140
HO2S Circuit No Activity Detected (Bank 1, Sensor 2)
Contaminated, deteriorated or aged HO2S
Misplaced, bent, loose or corroded connector terminals
Faulty HO2S
If any misfire, purge solenoid valve or HO2S heater codes are present, do all repairs associated with those codes before proceeding with this trouble area.
P0141
HO2S Heater Circuit Malfunction (Bank 1, Sensor 2)
Blown or missing HO2S fuse
Short to battery between rear HO2S and ECM
Open between rear HO2S and ECM
Faulty rear HO2S
P0037
HO2S Heater Circuit Low (Bank 1, Sensor 2)
Blown or missing HO2S fuse
Open or short to GND between HO2S and ECM
Faulty HO2S
P0038
HO2S Heater Circuit High (Bank 1, Sensor 2)
Short to battery between HO2S and ECM
Faulty HO2S
P0151
HO2S Circuit Low Input (Bank 2, Sensor 1)
Short to GND between HO2S and ECM
Faulty front HO2S
P0152
HO2S Circuit High Input (Bank 2, Sensor 1)
Short to battery between HO2S and ECM
Faulty front HO2S
P0153
HO2S Circuit Slow Responsive (Bank 2, Sensor 1)
Front and rear HO2S connections reversed
Faulty fuel delivery system
Leak in intake system
Leak in exhaust system
Faulty MAFS ground circuit
Faulty HO2S
If any misfire, purge solenoid valve, MAFS or HO2S heater codes are present,do all repairs associated with those codes before proceeding with this troublearea.
P0154
HO2S Circuit No Activity Detected (Bank 2, Sensor 1)
Contaminated, deteriorated or aged HO2S
Misplaced, bent, loose or corroded connector terminals
Faulty HO2S
If any misfire, purge solenoid valve or HO2S heater codes are present, do all repairs associated with those codes before proceeding this trouble area.
P0050
HO2S Heater Control Circuit (Bank 2, Sensor 1)
Contaminated, deteriorated or aged HO2S
Heater Resistance out of reasonable range
Misplaced, bent, loose or corroded connector terminals
Faulty HO2S
P0051
HO2S Heater Circuit Low (Bank 2, Sensor 1)
Blown or missing HO2S fuse
Open or short to GND between HO2S and ECM
Faulty HO2S
P0052
HO2S Heater Circuit High (Bank 2, Sensor 1)
Short to battery between HO2S and ECM
Faulty HO2S
P0157
HO2S Circuit Low Input (Bank 2, Sensor 2)
Short to GND between HO2S and ECM
Faulty rear HO2S
P0158
HO2S Circuit High Input (Bank 2, Sensor 2)
Open or short to battery between HO2S and ECM
Faulty rear HO2S
P0160
HO2S Circuit No Activity Detected (Bank 2, Sensor 2)
Contaminated, deteriorated or aged HO2S
Misplaced, bent, loose or corroded connector terminals
Faulty HO2S
If any misfire, purge solenoid valve or HO2S heater codes are present, do all repairs associated with those codes before proceeding with this trouble area.
P0057
HO2S Heater Circuit Low (Bank 2, Sensor 2)
Blown or missing HO2S fuse
Open or Short to GND between HO2S and ECM
Faulty HO2S
P0058
HO2S Heater Circuit High (Bank 2, Sensor 2)
Short to battery between HO2S and ECM
Faulty HO2S
P0171
Fuel System Too Lean (Bank 1)
Faulty ignition system (Ignition coil/spark plug/Ignition cable)
Faulty fuel delivery system (Fuel tank/Pressure regulator/Canister purge valve)
Clogged fuel injectors
Faulty fuel injectors
Leak in intake system
Leak in exhaust system
Faulty MAFS
If any codes relating to injectors, HO2S, ECTS or MAFS are stored, do all repairs associated with those codes before proceeding with this trouble area.
P0172
Fuel System Too Rich (Bank 1)
Faulty fuel delivery system (Fuel tank/Pressure regulator/Canister purge valve)
Faulty fuel injectors
Faulty MAFS
If any codes relating to injectors, HO2S, ECTS or MAFS are stored, do all repairs associated with those codes before proceeding with this trouble area.
P0174
Fuel System Too Lean (Bank 2)
Faulty ignition system (Ignition coil/spark plug/Ignition cable)
Faulty fuel delivery system (Fuel tank/Pressure regulator/Canister purge valve)
Clogged fuel injectors
Faulty fuel injectors
Leak in intake system
Leak in exhaust system
Faulty MAFS
If any codes relating to injectors, HO2S, ECTS or MAFS are stored, do all repairs associated with those codes before proceeding with this trouble area.
P0175
Fuel System Too Rich (Bank 2)
Faulty fuel delivery system (Fuel tank/Pressure regulator/Canister purge valve)
Faulty fuel injectors
Faulty MAFS
If any codes relating to injectors, HO2S, ECTS or MAFS are stored, do all repairs associated with those codes before proceeding with this trouble area.
P0230
Fuel Pump Circuit Malfunction
Blown or missing fuse/relay
Short to battery between fuel pump relay and ECM
Open between fuel pump relay and ECM
Faulty fuel pump relay
P0261
Injector Circuit Low Input (Cylinder -1)
Short to GND between injector and ECM
Faulty fuel injector
P0264
Injector Circuit Low Input (Cylinder -2)
P0267
Injector Circuit Low Input (Cylinder -3)
P0270
Injector Circuit Low Input (Cylinder -4)
P0273
Injector Circuit Low Input (Cylinder -5)
P0276
Injector Circuit Low Input (Cylinder -6)
P0262
Injector Circuit High Input (Cylinder -1)
Open between injector fuse and injector
Open or short to battery between injector and ECM
Faulty fuel injector
P0265
Injector Circuit High Input (Cylinder -2)
P0268
Injector Circuit High Input (Cylinder -3)
P0271
Injector Circuit High Input (Cylinder -4)
P0274
Injector Circuit High Input (Cylinder -5)
P0277
Injector Circuit High Input (Cylinder -6)
P0300
Random Misfire Detected
Vacuum leak in air intake system
CKP sensor circuit malfunction
Faulty CKP sensor
Ignition circuit malfunction
Faulty ignition coil or plug wire
Spark plug malfunction
Low compression due to blown head gasket, leaking valve or piston ring
Low/high fuel pressure due to faulty pressure regulator, restricted fuel lines,plugged fuel filter or faulty fuel pump
Fuel injector circuit malfunction
Faulty fuel injector
If any fuel injector codes (or pending codes) are present, do all repairs associated with those codes before proceeding with this trouble area.
P0301
Misfire Detected (Cylinder -1)
P0302
Misfire Detected (Cylinder -2)
P0303
Misfire Detected (Cylinder -3)
P0304
Misfire Detected (Cylinder -4)
P0305
Misfire Detected (Cylinder -5)
P0306
Misfire Detected (Cylinder -6)
P0325
Knock Sensor Circuit Malfunction (Bank 1)
Open or short to GND between knock sensor and ECM
Source of high resistance between knock sensor and ECM
Faulty knock sensor
P0330
Knock Sensor Circuit Malfunction (Bank 2)
P0335
Crankshaft Position Sensor Circuit Malfunction
Short to GND between CKP sensor and ECM
Open or short to battery between CKP and ECM
Short between CKP sensor wires
Poor connection between CKP connector & harness connector
Out of allowable air gap
Faulty target wheel tolerance
Faulty CKP sensor
P0340
Camshaft Position Sensor Circuit Malfunction
Short to GND between CMP sensor and ECM
Open or short to battery between CMP and ECM
Short between CMP sensor wires
Poor connection between CMP connector & harness connector
Faulty CMP sensor
P0420
Main catalyst efficiency deterioration (Bank 1)
Catalytic converter deteriorated
If any codes relating to HO2S sensor. MAFS, injectors, a P0170 or a P0173are present, do all repairs associated with them before proceeding with thistrouble area.
P0430
Main catalyst efficiency deterioration (Bank 2)
Catalytic converter deteriorated
If any codes relating to HO2S sensor. MAFS, injectors, P0171, P0172, P0174 or P0175 are present, do all repairs associated with them before proceeding with this trouble area.
P0441
EVAP Emission Control System Incorrect Purge Flow
Stuck in valve open position
P0442
EVAP Emission Control System Small Leak (1 mm)
Fuel filler cap loose or missing
Fuel filler cap o-ring missing or damaged
Faulty or damaged fuel filler pipe
Leaking, disconnected or plugged fuel vapor lines
Fuel in lines due to faulty rollover valve, on-board refueling vapor recoveryvalve or stuck closed CCV
Canister close valve clogged, struck open or closed
Improperly installed purge solenoid valve
PSV stuck open or closed
Faulty fuel tank pressure sensor
Leaking canister or catch tank
If any codes relating to FTPS, CCV or PSV circuits are present, do all repairs associated with those codes before proceeding with this troubles area.
P0444
EVAP Emission Control System Purge Control Valve Circuit Open
Faulty PSV
Open between PSV and ECM
P0445
EVAP Emission Control System Purge Control Valve Circuit Shorted
Faulty PSV
Short to GND or battery between PSV and ECM
P0449
EVAP Emission Control System Vent Valve/Solenoid Circuit
Stuck in valve closed position (CCV)
Faulty CCV
P0447
EVAP Emission Control System Vent Circuit Open
Open or short to battery between CCV and ECM
Faulty CCV
P0448
EVAP Emission Control System Vent Circuit Shorted
Short to GND between CCV and ECM
Faulty CCV
P0451
EVAP Emission Control System Pressure Sensor Range/Performance Problem
High resistance or open between fuel tank pressure sensor and ECM
Stuck closed canister close valve
Blocked vapor hose between canister and CCV
Open or short to battery between FTPS and ECM
Faulty FTPS
P0452
EVAP Emission Control System Pressure Sensor Low Input
Short to GND between FTPS and ECM
Faulty FTPS
P0453
EVAP Emission Control System Pressure Sensor High Input
Open or short to battery between fuel tank pressure sensor and ECM
Short to battery in ECM
Open in ECM
Faulty FTPS
P0454
Evaporative Emission Control System - Pressure Sensor Intermittent
Poor connections between FTPS and ECM
Misplaced, loose or corroded terminals
Foreign materials fouled FTPS
Faulty FTPS
P0455
EVAP Emission Control System - Large Leak
Fuel filler cap loose or missing
Fuel filler cap o-ring missing or damaged
Faulty or damaged fuel filler pipe
Leaking, disconnected or plugged fuel vapor lines
Fuel in lines due to faulty rollover valve, on-board refueling vapor recoveryvalve or stuck closed CCV
Canister close valve clogged, stuck open or closed
Improperly installed purge solenoid valve
PSV stuck open or closed
Faulty fuel tank pressure sensor
Leaking canister or catch tank
If any codes relating to FTPS, CCV or PSV circuits are present, do all repairs associated with those codes before proceeding with this troubles area.
If DTC P0455 is stored and MIL is illuminated, before proceeding to evaporative system test and repair, verify whether the customer was running the engine during refueling.
If an obvious cause for DTC P0455 is an engine running during refueling, erase the DTC P0455 using Hi-Scan and do not repair the evaporative system. However,the vehicle should be monitored to find reoccurrence of the concern whichmay come from actual evaporative system.
P0456
Evaporative Emission Control System - Small Leak Detected (0.5mm)
P0461
Fuel Level Sensor Circuit Range/Performance
Poor connection
Contaminated, deteriorated or aged FTLS
Misplaced, bent, loose or corroded connector terminals
Faulty FTLS
P0462
Fuel Level Sensor Circuit Low Input
Open or short to GND between FTLS and ECM
Short to GND or open in ECM
Faulty FTLS
P0463
Fuel Level Sensor Circuit High Input
Short to battery between FTLS and ECM
Short to battery
Faulty FTLS
P0464
Fuel Level Sensor Circuit Intermittent
Poor connections between ECTS and ECM
Misplaced, loose or corroded terminals
Faulty FTLS
P0501
Vehicle Speed Sensor Range/Performance
Open between fuse and wheel speed sensor (WSS)
Open between WSS and GND
Open between WSS and ECM
Short to battery or GND between WSS and ECM
Faulty WSS
P0506
Idle Control System rpm Lower than Expected
High resistance between injector fuse and IAC valve
High resistance between IAC and ECM
Faulty IAC valve
Carbon fouled throttle plate
If any TPS, MAFS, fuel injector or IAC valve circuit codes (or pending codes)are present, do all repairs associated with them before proceeding with thistrouble area.
P0507
Idle Control System rpm Higher than Expected
Improperly adjusted accelerator cable
Air leak in intake system between head and throttle plate
Faulty PCV valve or PSV
Poor connections in TPS circuit or faulty TPS
High resistance between IAC valve and ECM
Faulty IAC valve
If any codes relating to TPS, MAFS, fuel injector or IAC valve are present,do all repairs associated with them before proceeding with this troubleshootingarea.
P1134
HO2S Circuit - Transition Switch Malfunction/Slip (Bank 1, Sensor 1)
HO2S Deteriorated
Foreign Material Deposit
P1154
HO2S Circuit - Transition Switch Malfunction/Slip (Bank 2, Sensor 1)
P1166
Lambda Bank Control Limit (Bank 1)
P1166 is case for HO2S (Bank 1, Sensor 1) Signal line open
P1167 is case for HO2S (Bank 2, Sensor 1) Signal line open
Fuel system (Fuel tank/Pressure regulator/Fuel pump/PSV) Failure
Poor connection to fuel line hose/Sealing/Cut
Sealing between purge valve and fuel tank
Air leakage in exhaust system
Ignition system (Ignition coil, spark plug, cable) failure
Surge tank and intake port failure
P1167
Lambda Bank Control Limit (Bank 2)
P0036
HO2S Heater Control Circuit (Bank 1, Sensor 2)
Contaminated, deteriorated or aged HO2S
Heater resistance out of reasonable range
Misplaced, bent, loose or corroded connector terminals
Faulty HO2S
P0056
HO2S Heater Control Circuit (Bank 2, Sensor 2)
Contaminated, deteriorated or aged HO2S
Heater resistance out of reasonable range
Misplaced, bent, loose or corroded connector terminals
Faulty HO2S
P1372
Segment Time Acquisition Incorrect
Bad installation of tone wheel to crankshaft
Bad signal of the CKP sensor
Bad connection of connectors/bad wiring (between ECM and CKP)
P1505
Idle Charge Actuator Signal Low of Coil #1
Open or short to GND between ISC and ECM
Faulty ISC
P1506
Idle Charge Actuator Signal High of Coil #1
Short to battery between ISC and ECM
Faulty ISC
P1507
Idle Charge Actuator Signal Low of Coil #2
Open or short to GND between ISC and ECM
Faulty ISC
P1508
Idle Charge Actuator Signal High of Coil #2
Short to battery between ISC and ECM
Faulty ISC
P1521
Power Steering Switch Malfunction
Open or short to battery between switch and ECM
Short to GND between switch and ECM
Open between switch and ECM
Faulty power steering switch
P1529
TCU Request for MIL ON/Freeze Frame to ECU via CAN
This is only a request from TCM to turn the MIL ON. The fault code is stored in the TCM. The freeze frame data is stored in the ECM under the P1529 request code. Be sure to retrieve freeze frame data before clearing code P1529 from ECM.
P1602
Serial Communication Problem with TCU (Timeout)
Open or short to serial communication line
CAN message timeout
Faulty TCU
P0560
System Voltage Malfunction
Short between main relay and ECM
Open between main relay and ECM
Poor connection
Faulty main relay
P0562
System Voltage Low
Reverse battery cable connection (+/- reverse)
Faulty alternator
P0563
System Voltage High
P0650
Malfunction Indication Lamp (MIL) Control Circuit Malfunction
Open or short between lamp and ECM
Faulty lamp
P1624
Cooling Fan Relay Circuit Malfunction (LOW)
Open or short between relay and ECM
Short to GND between relay and ECM
Open between relay and ECM
Faulty relay
P1625
Cooling Fan Relay Circuit Malfunction (HIGH)

MAJOR SENSOR REFERENCE WAVE-FORMS