B2127-SENSOR SUPPLY VOLTAGE HIGH
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
While the vehicle is in reverse for speeds less than 16km/h.
- Set Condition:
Park Assist Sensor supply voltage greater than 9.2 volts.
| Possible Causes |
| (X700) PARK ASSIST SENSOR SUPPLY CIRCUIT SHORT TO VOLTAGE |
| PARK ASSIST MODULE |
Diagnostic Test
1. CHECK FOR ACTIVE DTC: B2127-SENSOR SUPPLY VOLTAGE HIGHTurn the ignition on.
Apply the vehicle park brake.
Shift the transmission into Reverse.
With the scan tool, record and erase Park Assist Module DTCs.
Wait 30 seconds.
With the scan tool, read Park Assist Module DTCs.
Is DTC: B2127-SENSOR SUPPLY VOLTAGE HIGH active?
Yes
- Go To 2
No
- The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
2. CHECK THE (X700) PARK ASSIST SENSOR SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the Park Assist Module harness connector.
Turn the ignition on.
Measure the voltage on the (X700) Park Assist Sensor Supply circuit.
Is the voltage above 9.2 volts?
Yes
- Repair the (X700) Park Assist Sensor Supply circuit for a short to voltage.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Replace the Park Assist Module in accordance with the service information.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)