DTC B1021 Dodge

Invalid Speed Control Message

Invalid Speed Control Message

Description

The speed control message that the Powertrain Control Module (PCM) is receiving is implausible.

Cause and Solution

Communication Error Between The Body Control Module (Bcm) And The Powertrain Control Module (Pcm)

Video Guide

Duration: PT3M56S | Uploaded: 2020-06-15

Diagnostic Info

  • DTC Code: B1021
  • Brand: Dodge
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