Network
generic / SAE
U0626
Lost Communication With A/C Refrigerant Pressure Sensor A
The vehicle bus reports loss of communication with smart A/C refrigerant pressure sensor A. Compressor cycling and high/low pressure protection cannot use this input.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number6 / 26
Possible causes
- Bus wiring open or shorted high
- Module without power or ground medium
- Module failed medium
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–800 €
- Estimated time: 0.5–2 h
- Component: ac refrigerant pressure sensor a
- Component: vehicle bus wiring
- drive cycle required
Sources
References
sae:J2012