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Home >> Jeep >> 2011 >> Compass Base, 2.4 B, FWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L & 2.4L - DTCS P061A To P2115 >> Diagnosis And Testing >> P0688-ASD Relay Control Sense >> Possible Causes

Possible Causes

POSSIBLE CAUSES 
(A14) FUSED B+ CIRCUITS
(K51) ASD RELAY CONTROL CIRCUIT OPEN
(K51) ASD RELAY CONTROL CIRCUIT SHORTED TO GROUND
ASD RELAY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .