OBD-II code · Powertrain (generic, extended)
P2A70 Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit
The control circuit of the alternative fuel hydraulic fuel pump select valve reports a control circuit condition. Pump path selection cannot be commanded reliably.
Is it safe to drive with P2A70?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySelect valve failed
- PossibleWiring or connector fault
Symptoms
- Check engine light on
- Hard start, no start, or stalling under load
- Power loss especially at high load or rpm
- Possible long cranking time
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- Parts involved
- Alt Fuel Hyd Pump Select Valve, Wiring Harness, Afcm
Related codes
- P2A6DAlternative Fuel Rail Pressure Regulator Pressure Sensor Circuit Intermittent/Erratic
- P2A6EAlternative Fuel Rail Pressure Regulator Inlet Pressure Too Low
- P2A6FAlternative Fuel Rail Pressure Regulator Inlet Pressure Too High
- P2A71Alternative Fuel Hydraulic Fuel Pump Select Valve Control Range/Performance
- P2A72Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit Low
- P2A73Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.