Hands Free Module (HFM)
B2205-ORIGINAL VIN MISSING/MISMATCH
- When Monitored:
With the ignition on.
- Set Condition:
The Hands Free Module will receive and monitor the VIN message from the PCM. The Hands Free Module will set this code if the VIN recorded in the module is different from the VIN message received from the PCM.
1. CHECK FOR ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, record and erase the Hands Free Module DTCs.
3. Cycle the ignition switch from on to off, wait five seconds and then back to on.
4. With the scan tool, read the active Hands Free 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.
2. CHECK VIN IN PCM
1. With the scan tool, compare the VIN that is programmed into the PCM to the VIN on the vehicle.
Does the VIN programmed into the PCM match the vehicle VIN?
Yes
- Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Hands Free Module.
- Perform the BODY VERIFICATION TEST. Body Verification Test.
No
- Program the correct VIN into the PCM and retest the Hands Free Module system.