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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 108 (1.6L Engine - DTCS P0646 To P127C) >> Diagnosis And Testing >> P0688-ASD Relay Output Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
ASD RELAY
(A14) FUSED B+ CIRCUIT
(K542) ASD RELAY OUTPUT CIRCUIT OPEN
(K542) ASD RELAY OUTPUT CIRCUIT SHORTED TO GROUND
PCM
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