P2610
ECM/PCM Internal Engine Off Timer Performance
2000-2005 Chevrolet Impala 3.4L V6
Moderate SeverityPowertrainGeneric (SAE)
Description
The ECM internal timer that tracks engine-off time is malfunctioning.
Symptoms
- Check engine light
- Incorrect cold-start enrichment
- Extended crank time
Common Causes
- ECM internal fault
- Keep-alive memory power loss
- Battery disconnected frequently
Diagnostic Steps
- Check ECM keep-alive power circuit
- Verify battery connections
- Check for parasitic drain
Repair Notes
Ensure battery and keep-alive circuits are intact. ECM replacement if internal timer failure confirmed.
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2610 on Other Vehicles
Chevrolet Astro
1995-2005 4.3L V6 Vortec
Chevrolet Avalanche
2002-2006 5.3L V8 Vortec
Chevrolet Avalanche
2002-2006 8.1L V8 Vortec
Chevrolet Avalanche
2007-2013 5.3L V8 Vortec
Chevrolet Avalanche
2007-2013 6.0L V8 Vortec
Chevrolet Aveo
2012-2018 1.6L I4
Chevrolet Beat
2018-2021 1.2L I4
Chevrolet Beretta
1990-1996 2.2L I4
Common Questions
What does code P2610 mean on a 2000-2005 Chevrolet Impala?
P2610 stands for "ECM/PCM Internal Engine Off Timer Performance". The ECM internal timer that tracks engine-off time is malfunctioning.
What are the symptoms of P2610 on a Chevrolet Impala?
Common symptoms of P2610 include: Check engine light, Incorrect cold-start enrichment, Extended crank time.
What causes P2610 on a 2000-2005 Chevrolet Impala?
Common causes of P2610 include: ECM internal fault, Keep-alive memory power loss, Battery disconnected frequently.