DTC U0421 Dodge

Injector 1, 2, 3, 4, 5, or 6 Control

Injector 1, 2, 3, 4, 5, or 6 Control

Description

ASD relay output circuit failureFuel injector has malfunctioned or failedFuel injector control circuit is open or shorted to groundPCM has failed

Video Guide

Duration: PT3M49S | Uploaded: 2020-08-13

Diagnostic Info

  • DTC Code: U0421
  • Brand: Dodge
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