B2127

B2127-SENSOR SUPPLY VOLTAGE HIGH





For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:

While the vehicle is in reverse for speeds less than 16km/h (10 mph).

- Set Condition:

Park Assist Sensor supply voltage greater than 9.2 volts.





Diagnostic Test

1. CHECK FOR ACTIVE DTC

Turn 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 this DTC 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. Body Verification Test

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. Body Verification Test

No

- Replace the Park Assist Module.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test