DTC P0641 Cadillac

5-Volt Reference 1 Circuit

5-Volt Reference 1 Circuit

Description

The ignition is in Run or Crank. The ignition voltage is greater than 6.0 V. The reduced engine power is Inactive. DTCs P0641 and P0651 run continuously when the above conditions are met.

Video Guide

Duration: PT4M | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0641
  • Brand: Cadillac
Back to Blog