OBD-II code · Powertrain (generic, extended)
P2A6D Alternative Fuel Rail Pressure Regulator Pressure Sensor Circuit Intermittent/Erratic
The inlet pressure sensor signal of the alternative fuel rail pressure regulator drops out or jumps intermittently. Loose connector or noisy ground.
Is it safe to drive with P2A6D?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor connector not seated
- PossibleNoisy ground reference
- Less likelyConnector with intermittent contact under vibration
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–6 h
- Emissions test
- Likely to fail
- Parts involved
- Alt Fuel Rail Pressure Regulator, Alt Fuel Pump, Afcm
Related codes
- P2A6AAlternative Fuel Rail Pressure Regulator Pressure Sensor Range/Performance
- P2A6BAlternative Fuel Rail Pressure Regulator Pressure Sensor Circuit Low
- P2A6CAlternative Fuel Rail Pressure Regulator Pressure Sensor Circuit High
- P2A6EAlternative Fuel Rail Pressure Regulator Inlet Pressure Too Low
- P2A6FAlternative Fuel Rail Pressure Regulator Inlet Pressure Too High
- P2A70Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.