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Home >> Jeep >> 2023 >> Wagoneer Carbide, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (5.7L - DTCS P0685 To P141D) >> DTC Troubleshooting >> P1004-Short Runner Valve Control Performance >> Possible Causes

Possible Causes

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Possible Causes
ASD RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE
GROUND CIRCUIT OPEN OR HIGH RESISTANCE
SHORT RUNNER VALVE (SRV) SENSE OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE
SHORT RUNNER VALVE (SRV) CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
SHORT RUNNER VALVE (SRV) ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .