MODULE, Steering Control (SCM)
- C1219-STEERING ANGLE SENSOR ERRATIC PERFORMANCE
- C121A-STEERING ANGLE SENSOR NOT INITIALIZED
- C123F-STEERING ANGLE SENSOR COMPARATIVE PERFORMANCE
- C1240-STEERING ANGLE SENSOR ANGLE OVERTRAVEL PERFORMANCE
- C1241-STEERING ANGLE SENSOR VELOCITY PERFORMANCE
- C2102-SYSTEM VOLTAGE LOW
- C2103-SYSTEM VOLTAGE HIGH
- C2205-STEERING ANGLE SENSOR INTERNAL
- U0001-CAN C BUS
- U0121-LOST COMMUNICATION WITH ABS
- U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM)
C1219-STEERING ANGLE SENSOR ERRATIC PERFORMANCE
For a complete wiring diagram, refer to the Wiring Information.
-
When Monitored:
With the ignition on.
-
Set Condition:
The Steering Angle Sensor (SAS) has set an internal failure status.
Possible Causes |
|---|
| CLOCKSPRING/SAS |
Diagnostic Test
CHECK FOR AN ACTIVE DTC
| NOTE: | Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connectors may cause the DTC to set. |
| 1. | Turn the ignition on. |
| 2. | With the scan tool, read DTCs. |
Does the scan tool display this DTC as active?
Yes
- Replace the Clockspring/SAS in accordance with the Service Information. (Refer to 10 - Restraints/CLOCKSPRING - Removal) .
- Perform the ABS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) /Standard Procedure).
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the ABS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) /Standard Procedure).
C121A-STEERING ANGLE SENSOR NOT INITIALIZED
For a complete wiring diagram, refer to the Wiring Information.
-
When Monitored:
With the ignition on.
-
Set Condition:
The Steering Angle Sensor (SAS) has set an internal failure status.
Possible Causes |
|---|
| CLOCKSPRING/SAS |
Diagnostic Test
CHECK FOR AN ACTIVE DTC
| NOTE: | Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connectors may cause the DTC to set. |
| 1. | Turn the ignition on. |
| 2. | With the scan tool, perform the Steering Angle Sensor Initialization procedure. |
| 3. | With the scan tool, read DTCs. |
Does the scan tool display this DTC as active?
Yes
- Replace the Clockspring/SAS in accordance with the Service Information. (Refer to 10 - Restraints/CLOCKSPRING - Removal) .
- Perform the ABS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) /Standard Procedure).
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the ABS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) /Standard Procedure).
C123F-STEERING ANGLE SENSOR COMPARATIVE PERFORMANCE
For a complete wiring diagram, refer to the Wiring Information.
-
When Monitored:
With the ignition on.
-
Set Condition:
The Steering Angle Sensor (SAS) has set an internal failure status.
Possible Causes |
|---|
| CLOCKSPRING/SAS |
Diagnostic Test
CHECK FOR AN ACTIVE DTC
| NOTE: | Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connectors may cause the DTC to set. |
| 1. | Turn the ignition on. |
| 2. | With the scan tool, read DTCs. |
Does the scan tool display this DTC as active?
Yes
- Replace the Clockspring/SAS in accordance with the Service Information. (Refer to 10 - Restraints/CLOCKSPRING - Removal) .
- Perform the ABS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) /Standard Procedure).
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the ABS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) /Standard Procedure).
C1240-STEERING ANGLE SENSOR ANGLE OVERTRAVEL PERFORMANCE
For a complete wiring diagram, refer to the Wiring Information.
-
When Monitored:
With the ignition on.
-
Set Condition:
The Steering Angle Sensor (SAS) has set an internal failure status.
Possible Causes |
|---|
| CLOCKSPRING/SAS |
Diagnostic Test
CHECK FOR AN ACTIVE DTC
| NOTE: | Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connectors may cause the DTC to set. |
| 1. | Turn the ignition on. |
| 2. | With the scan tool, read DTCs. |
Does the scan tool display this DTC as active?
Yes
- Replace the Clockspring/SAS in accordance with the Service Information. (Refer to 10 - Restraints/CLOCKSPRING - Removal) .
- Perform the ABS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) /Standard Procedure).
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the ABS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) /Standard Procedure).
C1241-STEERING ANGLE SENSOR VELOCITY PERFORMANCE
For a complete wiring diagram, refer to the Wiring Information.
-
When Monitored:
With the ignition on.
-
Set Condition:
The Steering Angle Sensor (SAS) has set an internal failure status.
Possible Causes |
|---|
| CLOCKSPRING/SAS |
Diagnostic Test
CHECK FOR AN ACTIVE DTC
| NOTE: | Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connectors may cause the DTC to set. |
| 1. | Turn the ignition on. |
| 2. | With the scan tool, read DTCs. |
Does the scan tool display this DTC as active?
Yes
- Replace the Clockspring/SAS in accordance with the Service Information. (Refer to 10 - Restraints/CLOCKSPRING - Removal) .
- Perform the ABS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) /Standard Procedure).
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the ABS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) /Standard Procedure).
C2102-SYSTEM VOLTAGE LOW
For a complete wiring diagram, refer to the Wiring Information.
-
When Monitored:
At all times.
-
Set Condition:
This is a CAN message that the battery voltage was below 10.0 volts for over 15 seconds.
POSSIBLE CAUSES |
|---|
| LOW SYSTEM VOLTAGE |
| BATTERY OR CHARGING SYSTEM |
CHECK POWERTRAIN CONTROL MODULE DTCs
| 1. | With the scan tool, read Powertrain DTCs |
Are there any Powertrain Charging or Battery DTCs present?
Yes
- Perform the appropriate diagnostic procedure. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing).
No
- This code is for information only. At some time there was a low battery system voltage. Check the battery and charging system in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).
C2103-SYSTEM VOLTAGE HIGH
For a complete wiring diagram, refer to the Wiring Information.
-
When Monitored:
At all times.
-
Set Condition:
This is a CAN message that the system voltage was above 16.0 volts for over 15 seconds.
POSSIBLE CAUSES |
|---|
| HIGH BATTERY SYSTEM VOLTAGE |
| CHARGING SYSTEM |
CHECK ENGINE DTCs
| 1. | With the scan tool, read Powertrain DTCs. |
Are there any Powertrain Charging or Battery DTCs present?
Yes
- (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing) and perform the appropriate diagnostic procedure.
No
- This code is a CAN system message for information only. Check the charging system in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).
C2205-STEERING ANGLE SENSOR INTERNAL
For a complete wiring diagram, refer to the Wiring Information.
-
When Monitored:
With the ignition on.
-
Set Condition:
The Steering Angle Sensor (SAS) has set an internal failure status.
Possible Causes |
|---|
| CLOCKSPRING/SAS |
Diagnostic Test
CHECK FOR AN ACTIVE DTC
| NOTE: | Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connectors may cause the DTC to set. |
| 1. | Turn the ignition on. |
| 2. | With the scan tool, read DTCs. |
Does the scan tool display this DTC as active?
Yes
- Replace the Clockspring/SAS in accordance with the Service Information. (Refer to 10 - Restraints/CLOCKSPRING - Removal) .
- Perform the ABS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) /Standard Procedure).
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the ABS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) /Standard Procedure).
U0001-CAN C BUS
For a complete wiring diagram, refer to the Wiring Information.
-
When Monitored:
With the ignition on.
-
Set Condition:
Whenever the CAN C Bus (+) or CAN C Bus (-) circuit is open, shorted to voltage or shorted to ground.
Possible Causes |
|---|
| CAN C BUS CIRCUITS OPEN OR SHORTED |
| DIAGNOSTIC TROUBLE CODES (DTC) RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES PRESENT |
| TOTALLY INTEGRATED POWER MODULE (TIPM) NOT CONFIGURED CORRECTLY |
| TOTALLY INTEGRATED POWER MODULE (TIPM) POWER AND GROUND |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
| ANY CAN C MODULE SHORTED |
CHECK FOR ACTIVE DTCS
| 1. | With the scan tool, read the active WIN DTCs. |
| 2. | Cycle the ignition switch from off to on at least 3 times, leaving the ignition on for a minimum of one minute per cycle. |
| 3. | With the scan tool, read the active WIN DTCs. |
Does the scan tool display: U0001-CAN C BUS as active?
Yes
- (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Diagnosis and Testing) and perform the U0001-CAN C Bus diagnostic procedure.
No
- (Refer to 29 - Non-DTC Diagnostics/Communication - Diagnosis and Testing) and perform the Stored Lost Communication DTCs diagnostic procedure.
U0121-LOST COMMUNICATION WITH ABS
For a complete wiring diagram, refer to the Wiring Information.
Possible Causes
-
When Monitored:
Ignition run time is greater than one second.
Battery voltage between 9 and 16 volts.
Engine run time greater than three seconds.
-
Set Condition:
Bus messages not received from the Totally Integrated Power Module (TIPM) for approximately two to five seconds.
Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| ABS MODULE |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| TOTALLY INTEGRATED POWER MODULE POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
| MODULE THAT SET THIS DTC |
ACTIVE DTC
| 1. | Ignition on, engine not running. |
| 2. | With the scan tool, select view DTCs. |
Is the DTC Active at this time?
Yes
- (Refer to 28–DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM)-Diagnosis and Testing), and perform the U0121-Lost Communication with Anti-Lock Brake Module diagnostic procedure.
No
- (Refer to 29 - Non-DTC Diagnostics/Communication - Diagnosis and Testing) and perform the Stored Lost Communication DTCs diagnostic procedure.
U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM)
For a complete wiring diagram, refer to the Wiring Information.
-
When Monitored:
Continuously when the ignition is on.
The battery voltage between 10.0 and 16.0 Volts.
Ignition Off Draw (IOD) fuse installed.
Totally Integrated Power Module (TIPM) is configured correctly.
-
Set Condition:
Bus messages not received from the Totally Integrated Power Module (TIPM) for approximately two to five seconds.
Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| TOTALLY INTEGRATED POWER MODULE POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
| MODULE THAT SET THIS DTC |
VERIFY DTC IS ACTIVE
| NOTE: | Make sure the IOD fuse is installed and the battery is fully charged before proceeding. |
| 1. | Turn the ignition on. |
| 2. | With the scan tool, read active DTCs. |
Is this DTC active?
Yes
- (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Diagnosis and Testing) and perform the U0141-Lost Communication with IPM (FCM/TIPM) diagnostic procedure.
No
- (Refer to 29 - Non-DTC Diagnostics/Communication - Diagnosis and Testing) and perform the Stored Lost Communication DTCs diagnostic procedure.