ECM/PCM Internal Engine Off Timer Performance
2000-2002 Rolls-Royce Corniche 6.75L V8
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
Rolls-Royce Cullinan
2019-2024 6.75L V12 Twin Turbo
Rolls-Royce Dawn
2016-2024 6.6L V12 Twin Turbo
Rolls-Royce Ghost
2010-2024 6.6L V12 Twin Turbo
Rolls-Royce Phantom VII
2003-2017 6.75L V12
Rolls-Royce Phantom VIII
2018-2024 6.75L V12 Twin Turbo
Rolls-Royce Silver Seraph
1998-2002 5.4L V12
Rolls-Royce Silver Spirit
1990-1998 6.75L V8
Rolls-Royce Silver Spur
1990-1998 6.75L V8
Common Questions
What does code P2610 mean on a 2000-2002 Rolls-Royce Corniche?
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 Rolls-Royce Corniche?
Common symptoms of P2610 include: Check engine light, Incorrect cold-start enrichment, Extended crank time.
What causes P2610 on a 2000-2002 Rolls-Royce Corniche?
Common causes of P2610 include: ECM internal fault, Keep-alive memory power loss, Battery disconnected frequently.