Powertrain
generic / SAE
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 10
Possible causes
- ECU internal timer fault high
- Keep-alive memory power intermittent medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 80–1500 €
- Estimated time: 0.5–4 h
- Component: ecm
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012