Park Assist Module (PAM)

B21DD-17-SYSTEM VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Vehicle in reverse.

During the self-test while vehicle is in drive between 11 mph (18 km/h) and 25 mph (40 km/h).

- Set Condition:
Vehicle System voltage greater than 16.0 Volts.





1. CHECK FOR ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
1. Turn the ignition on.
2. Using the scan tool, read Park Assist Module DTCs.

Does the scan tool display this DTC as active?

Yes

- Go To 2

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 BODY VERIFICATION TEST. Body Verification Test.

2. VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM

NOTE: Troubleshoot any PCM charging/cranking DTCs before proceeding.

NOTE: Make sure the battery is fully charged.

Are any charging system DTCs present?

Yes

- Testing and Inspection Perform the appropriate charging system or battery diagnostic procedure.

No

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