DTC P0606: ECM FAILURE

Monitor & Set Conditions

ECM is monitored for internal failure with ignition on engine off, and with engine running. DTC may be set when an internal ECM error is detected.

Possible Causes

• ECM

Testing

Turn ignition on with engine off. Using DRBIII(R) scan tool, check for DTCs. If Good Trip Counter for DTC P0606 is displayed and equal to zero, replace and program ECM. See appropriate REMOVAL, OVERHAUL & INSTALLATION article. ECM is located on driver's side of engine, just in front of fuel transfer pump and contains a 50-pin connector. If Good Trip Counter for DTC P0606 is displayed and not equal to zero, test is complete.