OBD-II code · Powertrain (generic, extended)
P2AFA Starter Relay D Stuck On
Starter relay D reports a stuck on condition. Engine cranking can be inhibited or commanded unintentionally.
Is it safe to drive with P2AFA?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyRelay contacts welded closed
- PossibleOutput driver stuck on
- Less likelyCarbon or debris buildup preventing free movement
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Starter Relay D, Wiring Harness, Ecm
Related codes
- P26F0Starter Relay A Stuck On
- P26F2Starter Relay B Stuck On
- P2AF5Starter Relay C Stuck On
- P2AF7Starter Relay D Control Circuit/Open
- P2AF8Starter Relay D Control Circuit Low
- P2AF9Starter Relay D Control Circuit High
- P2AFBStarter Relay D Stuck Off
- P2AFCEngine Coolant Temperature Sensor 4 Circuit
- P2AFDEngine Coolant Temperature Sensor 4 Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.