DTC P1624 BMW

Thermostat Control Circuit Malfunction

Thermostat Control Circuit Malfunction

Description

The engine’s warm up performance is monitored by comparing measured coolant temperature with the modeled coolant temperature to detect a defective coolant thermostat that is reading false. The engine temperature must be less than 65 degrees Celsius, engin

Cause and Solution

Check for low coolant level or incorrect coolant mixture
DME detects a short circuit wiring in the ECT
CHT sensor is out-of-calibration or it has failed
ECT sensor is out-of-calibration or it has failed

Video Guide

Duration: PT4M13S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P1624
  • Brand: BMW
Back to Blog