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Home >> Jeep >> 2021 >> Grand Cherokee SRT >> Repair and Diagnosis >> Engine Performance >> System >> 6.4L - DTCS P0523 To P1618 >> DTC Troubleshooting >> P1004-Short Runner Valve Control Performance >> Possible Causes

Possible Causes

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  .