Operation CHARM: Car repair manuals for everyone.

Hands Free






B2205 - Original VIN Missing/Mismatch

For a complete wiring diagram, refer to.

When Monitored: With the ignition on.

Set Condition: The hands free module will receive and monitor the VIN message from the PCM and record the VIN if different from the last VIN.






Test Step 1 - Check for Active DTC

Turn the ignition ON.

With the scan tool, check for active DTCs.

Does the scan tool display this DTC as active?

Yes

Go to Test Step 2.

No

If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.

Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

Test Step 2 - Check the VIN in the PCM

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's 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. Refer to => Non-DTC Based Diagnostics. Body Interior

No

Program the correct VIN in the PCM and retest the HFM system.

Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior