P2610 (2) Chevrolet Uplander I

This diagnostic has 2 tests that may set this DTC

Phase 1

1. The ECM detects the ignition off timer is less than 1 second at any time. OR
2. The ECM detects the ignition off timer is 15 seconds or more if the actual elapsed time is less than 15 seconds.
3. This diagnostic runs continuous.

Phase 2

1. The last ignition off time event increments more than 1.375 seconds or less than 0.8 seconds for each second.
2. This diagnostic runs continuous.