DTC U0140:00 [HEAT PUMP CONTROL UNIT]
id0702l5718000
Outline
System malfunction location |
Communication error with body control module (BCM) |
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Detection condition
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• The heat pump control unit cannot receive a CAN signal from the body control module.(BCM).
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Fail-safe
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• The value of the data which is not received from the body control module (BCM) is fixed at the specified value.
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Possible cause
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• Malfunction in CAN communication line between body control module (BCM) and heat pump control unit module
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System wiring diagram
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Not applicable
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Diagnostic Procedure