The secondary air injection (AIR) pump on bank 1 exceeds the calibrated maximum speed. Indicates load lost or supply voltage too high.
Low severity. Can I keep driving?Yes, you can keep driving, though it should be repaired: the car pollutes more at startup and may not pass an inspection.
Bank 1 is the side of the engine with cylinder 1. Inline engines only have this bank.
Most likely causes
- Pump impeller damaged - load lost
- Supply voltage above nominal
What to check, in order
Start with the simplest. You can tick off each step.
Good to know
- Repair difficulty: medium
- It affects emissions.
What each character of P2C80 means
- P: Powertrain: engine and transmission
- 2: Generic code: same on every make
- C: Subsystem depends on the code range
- 80: Specific fault in that system
Frequently asked questions
Can I keep driving with code P2C80?
Yes, you can keep driving, though it should be repaired: the car pollutes more at startup and may not pass an inspection.
What causes code P2C80?
The most common causes are: pump impeller damaged - load lost; supply voltage above nominal.
Sources
Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.