DTC B1E34 Dodge

Cooling Fan Relay 1 Circuit High Input

Cooling Fan Relay 1 Circuit High Input

Description

Key on or engine running; then with the cooling fan commanded on, the PCM detected an unexpected high voltage condition on the Cooling Fan Relay circuit during the CCM test.

Cause and Solution

Using a scan tool, check current dataCheck for short circuit in radiator fan relay control circuitCheck main fan relayCheck sub fan relayCheck poor contact

Video Guide

Duration: PT4M6S | Uploaded: 2020-07-17

Diagnostic Info

  • DTC Code: B1E34
  • Brand: Dodge
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