Fault Code U0157
Code meaning, symptoms, possible causes, part number, and estimated cost.
U0157
Lost Communication With Control Module
Code U0157 indicates a loss of communication with the Heater Control Module. This fault can affect the operation of the vehicle's heating system.
Part Details
Part Name
Heater Control Module
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪400 - ₪1800
Engine Location
Passenger compartment, near air ducts
Symptoms
- Heater not working or uncontrollable
- Heater fan not operating
- Heater system display or buttons unresponsive
- Additional codes related to climate control system
Possible Causes
- 1Faulty heater control module
- 2Wiring or connector issues in the CAN bus
- 3Blown fuse in the heating system
- 4Power or ground issues to the module
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