ECM/PCM Internal Engine Off Timer Performance
2007-2012 Nissan Altima 2.5L I4
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
Nissan 200SX
1995-1998 1.6L I4 GA16DE
Nissan 200SX SE-R
1995-1998 2.0L I4 SR20DE
Nissan 240SX
1995-1998 2.4L I4 KA24DE
Nissan 300ZX
1990-1996 3.0L V6 VG30DE
Nissan 300ZX Twin Turbo
1990-1996 3.0L Twin-Turbo V6 VG30DETT
Nissan 350Z
2003-2006 3.5L V6 VQ35DE
Nissan 350Z
2007-2009 3.5L V6 VQ35HR
Nissan 370Z
2009-2020 3.7L V6 VQ37VHR
Common Questions
What does code P2610 mean on a 2007-2012 Nissan Altima?
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 Nissan Altima?
Common symptoms of P2610 include: Check engine light, Incorrect cold-start enrichment, Extended crank time.
What causes P2610 on a 2007-2012 Nissan Altima?
Common causes of P2610 include: ECM internal fault, Keep-alive memory power loss, Battery disconnected frequently.