DTC P0419 Cadillac
Secondary Air Pump Relay Control Circuit Malfunction (Bank 2)
Secondary Air Pump Relay Control Circuit Malfunction (Bank 2)
Description
Engine started; system voltage over 10.0v and the PCM detected an unexpected voltage on the AIR relay circuit for 10 seconds.
Cause and Solution
AIR relay control circuit is open, shorted to ground or shorted to system power (B+)
AIR relay power circuit is open (test power from IGN fuse)
AIR relay is damaged or has failed
Video Guide
Diagnostic Info
- DTC Code: P0419
- Brand: Cadillac