The ECM sets DTC P2610 when the ECM indicates an error in the internal ECM engine off timer processor. The test fails when the difference between the engine off time and the LPC(Low Power Counter) time exceeds a calibrated limit for a calibrated amount of time.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
ECU internal engine off timer performance | 1. ECM 2. Battery low-voltage 3. Incorrect or intermittent battery cable connections 4. Engine coolant temperature sensor concern 5. Engine cooling system concerns | |
Enable Conditions | Case 1 |
•
Ignition "ON" | |
Case 2 |
•
Ignition "OFF" | ||
Threshold Value | Case 1 |
•
I Timer from PCA8565 - Timer from CPU I every 120s > 6 % | |
Case 2 |
•
I Timer frequency (PCA8565) - CPU frequency I > 6 % | ||
Diagnostic Time |
•
Continuous | ||
MIL ON Condition |
•
2 Driving Cycles |