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B1243-REAR PARK ASSIST DISABLE SWITCH STUCK (CONTINUED) For the Instrument Cluster circuit diagram (Refer to 8 - ELECTRICAL/INSTRUMENT CLUSTER - SCHEMATICS For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes (X774) PARK ASSIST ON/OFF SWITCH CIRCUIT SHORT TO GROUND LOWER SWITCH BANK INSTRUMENT CLUSTER Diagnostic Test 1. CHECK FOR ACTIVE DTC Press and release the switch three times. Turn the ignition on. With the scan tool, record and erase Instrument Cluster DTCs. Turn the ignition off. Turn the ignition on. Wait 30 seconds. With the scan tool, read Instrument Cluster DTCs. 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 chaffed, pierced, pinched, and partially broken wires. Also Perform BODY VERIFICATION TEST VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL 8J - 18 INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS WK |