garajizOBD-II code · generic
P2AA2
Alternative Fuel Return Line Insufficient Flow
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Usually safe to drive
What does P2AA2 mean?
P2AA2 is defined as “Alternative Fuel Return Line Insufficient Flow”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Related codes
- P2AA1Alternative Fuel Return Line Valve Control Circuit High
- P2AA0Alternative Fuel Return Line Valve Control Circuit Low
- P2A9FAlternative Fuel Return Line Valve Control Circuit Range/Performance
- P2A9EAlternative Fuel Return Line Valve Control Circuit/Open
- P2A9DAlternative Fuel High Pressure System Small Leak
- P2AA7Engine Coolant Bypass Valve B Position Sensor Circuit
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.