DTC U1145 Cadillac

Ignition Coil No. 4 Secondary Circuit Insufficient Ionization

Ignition Coil No. 4 Secondary Circuit Insufficient Ionization

Description

Intermittent conditionCylinder No. 4 spark plug or wire is damaged or it has failedIgnition Coil No. 4 is damaged or it has failedIgnition coil control circuit is open or shorted to groundASD relay output circuit problemsPCM has failed

Video Guide

Duration: PT3M53S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: U1145
  • Brand: Cadillac
Back to Blog