BMW P1624: Thermostat Control Circuit Malfunction
Is your scanner showing BMW P1624?
No worries. We'll show you what it means and how to deal with it.
BMW P1624: Thermostat Control Circuit Malfunction
OVERVIEWWhat Does The BMW P1624 Code Mean?
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.
What Are The Potential Causes Of The BMW P1624 Code?
Below are some potential causes of this DTC:
- 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
- Replace the thermostat
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Valvoline Multi-Vehicle 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA, Light Yellow/Green.
>>> Delphi TS10270-11B1 Engine Coolant Temperature Sensor
>>> MOSTPLUS 11537536655, 11537549476 Thermostat Assembly with Housing Compatible for BMW
>>> BMW Cylinder Head Temperature Sensor - Genuine BMW 13628649765
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
BMW P1624, DTCDECODE.
