B1A29-SKIM BASESTATION MISMATCH

For a complete wiring diagram Refer to Section 8W.


  • 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.


Possible Causes
  
VERIFYING PCM VIN
  
REPLACE SKREEM AND CHECK DTC'S
  
INTERMITTENT WIRING HARNESS PROBLEM
  
PCM
  



Diagnostic Test

1.DETERMINING IF DTC IS CURRENT







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

Yes
  • Go To 2


No
  • Go To 4

2.VERIFYING THE PCM VIN




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
  • Using the scan tool perform the PCM Replace procedure to update the VIN in the PCM.
  • Perform SKREEM VERIFICATION TEST

3.REPLACE SKREEM AND CHECK DTC'S








Does the scan tool display the same DTC?

Yes
  • Using the scan tool perform the PCM Replace procedure to update the VIN in the PCM.
  • Perform SKREEM VERIFICATION TEST


No
  • The repair is complete.
  • Perform SKREEM VERIFICATION TEST

4.INTERMITTENT


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


No
  • Test Complete.