DTC U1254 GMC

Ignition Coil No. 2 Secondary Circuit Insufficient Ionization

Ignition Coil No. 2 Secondary Circuit Insufficient Ionization

Description

Intermittent conditionCylinder No. 2 spark plug or wire is damaged or it has failedIgnition Coil No. 2 is damaged or it has failedIgnition coil control circuit is open or shorted to groundASD relay output circuit problemsPCM has failed

Video Guide

Duration: PT3M41S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: U1254
  • Brand: GMC
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