DTC B1479 Dodge

Insufficient Coolant Temperature For Closed Loop

Insufficient Coolant Temperature For Closed Loop

Description

Let engine run at idle until coolant temperature for oxygen sensor control has been reached. The ECM detected that the ECT sensor signal did not indicate the required engine temperature value to enter closed loop within a specified amount of time. The amo

Cause and Solution

Check the coolant mixture for an incorrect mixtureCheck the operation of the thermostat (it may be stuck open or has failed)ECT sensor has failed or is disconnectedInspect for low coolant level

Video Guide

Duration: PT4M11S | Uploaded: 2020-07-10

Diagnostic Info

  • DTC Code: B1479
  • Brand: Dodge
Back to Blog