OBD-II code · Powertrain (generic, extended)
P2610 ECM/PCM Internal Engine Off Timer Performance
The engine controller's internal soak-time/engine-off timer fails its plausibility check — for example readings claim instant cool-down or never-cooled. Cold-start enrichment, EVAP and catalyst monitors depend on this timer; a fault freezes those readiness monitors.
Is it safe to drive with P2610?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyECU internal timer fault
- PossibleKeep-alive memory power intermittent
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–4 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Ecm
Related codes
- P260DPTO Engaged Lamp Control Circuit
- P260EParticulate Filter Regeneration Lamp Control Circuit
- P260FEVAP System Monitoring Processor Performance
- P2611A/C Refrigerant Distribution Valve A Control Circuit / Open
- P2612A/C Refrigerant Distribution Valve A Control Circuit Low
- P2613A/C Refrigerant Distribution Valve A Control Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.