DTC P2610: Electronic Control Module (ECM)/Powertrain Control Module (Pcm) Internal Engine Off Timer Performance

P2610 - ELECTRONIC CONTROL MODULE (ECM)/POWERTRAIN CONTROL MODULE (PCM) INTERNAL ENGINE OFF TIMER PERFORMANCE

Description:	Indicates an error in the internal PCM engine off timer processor. The test fails when the difference between the engine off time and the central processing unit (CPU) time exceeds a calibrated limit for a calibrated amount of time.
Possible Causes:	Incorrect or intermittent battery cable connections Keep alive power (KAPWR) circuit to PCM concern Engine coolant temperature (ECT) sensor Engine cooling system concerns Electrical interference around vehicle or PCM
Diagnostic Aids:	Verify the PCM, remote function actuator (RFA) and instrument cluster (IC) are at the latest calibration level.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST QB .