DTC P0412 Cadillac
Secondary Air System Control Circuit Malfunction
Secondary Air System Control Circuit Malfunction
Description
Engine started; system voltage over 10.0v and the PCM detected the Actual and Commanded state of the AIR solenoid driver did not match for 5 seconds during the test.
Cause and Solution
AIR solenoid control circuit is open, shorted to ground or B+
AIR solenoid power circuit is open (test power from IGN fuse)
Video Guide
Diagnostic Info
- DTC Code: P0412
- Brand: Cadillac