DTC P1201 Audi
Cylinder 1 Fuel Injection Circuit Electrical Malfunction
Cylinder 1 Fuel Injection Circuit Electrical Malfunction
Description
Key on or engine running, fuses in the instrument panel and the E-box in the engine compartment must be functioning, and the ground connections between the engine ad the chassis must be well connected; and the ECM detected an unexpected voltage condition on the injector circuit
Cause and Solution
Injector control circuit is open
Injector power circuit (B+) is open
Injector control circuit is shorted to chassis ground
Injector is damaged or has failed
ECM is not connected or has failed
Fuel pump relay has failed
Fuel injectors may have malfunctioned
Video Guide
Diagnostic Info
- DTC Code: P1201
- Brand: Audi