OBD-II code · Powertrain (generic, extended)
P2A36 AFCM Power Relay Sense Circuit Low
The sense feedback voltage from the AFCM power relay is below the expected window. Indicates the relay output stays low when the relay is commanded on.
Is it safe to drive with P2A36?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyRelay contact stays open
- PossibleFeedback wire shorted to ground
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Likely to fail
- Parts involved
- Afcm Power Relay, Afcm, Wiring Harness
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.