DTC U1896 GMC

ECM PCM Processor

ECM PCM Processor

Description

Monitor will run whenever this DTC is not present: None With the engine running. Estimated A F sensor temperature 450 to 800°C (842 to 1,472°F). Estimated HO2S temperature 450 to 80. ECM CPUs malfunction. A F sensor transistors malfunction. HO2S transistors malfunction.

Video Guide

Duration: PT4M12S | Uploaded: 2020-07-11

Diagnostic Info

  • DTC Code: U1896
  • Brand: GMC
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