B1A29

B1A29-SKIM BASESTATION MISMATCH





For a complete wiring diagram Refer to Diagrams/Electrical.

- When Monitored:

At ignition on, after ignition on during any rolling code handshake that occurs with the PCM due to a SKIM or PCM reset.

- Set Condition:

When a PCM STATUS message with a Valid Key status is not received by the SKIM within 3.5 seconds of transmitting the last Valid Key Code message to the PCM.





Diagnostic Test

1.DETERMINING IF DTC IS CURRENT

With the scan tool, erase the SKREEM DTCs.

Turn the ignition off.

Wait 10 seconds.

Turn the ignition on and wait 2 minutes.

With the scan tool, read the SKREEM DTCs.

Does the scan tool display the DTC that was previously erased?

Yes

- Go To 2

No

- Go To 4

2.VERIFYING THE PCM VIN

Turn the ignition on.

With the scan tool, select Engine system from the main menu.

Display and record the Vehicle Identification Number.

NOTE: Ensure that a VIN has been programmed into the PCM. If a VIN is not displayed, attempt to program the PCM with the correct VIN before continuing.

Does the VIN recorded from the PCM match the VIN of the vehicle?

Yes

- Go To 3

No

- Perform the PCM replaced to update the VIN in the PCM.
- Perform SKREEM VERIFICATION TEST. Vehicle Theft Security Verification Tests

3.REPLACE SKREEM AND CHECK DTC'S

Turn the ignition off.

Replace and program the Sentry Key Remote Entry Module.

Turn the ignition on.

With the scan tool, display and clear all PCM and SKREEM DTC's.

Perform 5 ignition key cycles leaving the ignition key on for 90 seconds per cycle.

With the scan tool, check for SKREEM DTCs.

Does the scan tool display the same DTC?

Yes

- Replace and program the Powertrain Control Module.
- Perform SKREEM VERIFICATION TEST. Vehicle Theft Security Verification Tests

No

- The repair is complete.
- Perform SKREEM VERIFICATION TEST. Vehicle Theft Security Verification Tests

4.INTERMITTENT

Turn the ignition off.

NOTE: Check for the following conditions:
- Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.
- Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- Refer to any Technical Service Bulletins (TSB) that may apply.

Were any problems found?

Yes

- Repair wiring harness/connectors as necessary.
- Perform SKREEM VERIFICATION TEST. Vehicle Theft Security Verification Tests

No

- Test Complete.