DTC P042E Cadillac
Exhaust Gas Recirculation (EGR) Closed Position Performance
Exhaust Gas Recirculation (EGR) Closed Position Performance
Description
P0403, P0404, P0405, P0406, P042E The Ignition 1 Signal parameter is between 9-18 volts. The engine is cranking or running. The DTC P0401 intrusive test is not active. These DTCs run continuously once the above conditions are met.
Video Guide
Diagnostic Info
- DTC Code: P042E
- Brand: Cadillac