FixVault

Possible Causes

POSSIBLE CAUSES 
(K51) ASD RELAY CONTROL CIRCUIT OPEN
(K51) ASD RELAY CONTROL CIRCUIT FOR A SHORT TO VOLTAGE
(K51) ASD RELAY CONTROL CIRCUIT FOR A SHORT TO GROUND
LOSS OF POWERTRAIN CONTROL MODULE POWERS OR GROUNDS
ASD RELAY
POWERTRAIN CONTROL MODULE (PCM)

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