B1243-REAR PARK ASSIST DISABLE SWITCH STUCK





For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on.

  • Set Condition:

    The Instrument Cluster detects the Rear Park Assist Disable Switch active for greater than 20 seconds.


Possible Causes
  
(X774) PARK ASSIST ON/OFF SWITCH CIRCUIT SHORT TO GROUND
  
LOWER SWITCH BANK
  
INSTRUMENT CLUSTER
  



Diagnostic Test

1.CHECK FOR ACTIVE DTC









Is DTC: B1243-REAR PARK ASSIST DISABLE SWITCH STUCK active?

Yes
  • Go To 2


No
  • The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
  • Perform BODY VERIFICATION TEST VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)

2.CHECK OPERATION OF THE LOWER SWITCH BANK









Does the scan tool display: B1243-REAR PARK ASSIST DISABLE SWITCH STUCK?

Yes
  • Go To 3


No

3.CHECK THE (X774) PARK ASSIST ON/OFF SWITCH CIRCUIT FOR A SHORT TO GROUND







Is the resistance below 10K ohms?

Yes


No