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Electric AC Compressor: Troubleshooting

WARNING: This page is about a different car, the 2015 Kia Soul EV. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Troubleshooting Air Conditioning Procedure Flowchart
G10744954Courtesy of KIA MOTORS AMERICA, INC.
Fault code Fail description Remedy
61 Compressor CAN signal fault
Compressor operation state error receive
  1. Check HV, LV connector connection.
  2. Check LV connector pin condition.
  3. Check vehicle inverter fuse condition.
  4. A/C ON then check compressor operation.
  5. If not operating, replace compressor.
62 Low voltage
  1. Check HV connector connection.
  2. Check vehicle inverter fuse condition.
  3. Check voltage level of high voltage battery.
  4. A/C ON then check compressor operation.
  5. If not operating, replace compressor.
63 High voltage
  1. Identify vehicle model on compressor
  2. Check voltage level of high voltage battery.
  3. A/C ON then check compressor operation.
  4. If not operating, replace compressor.
64 Overheat protection
  1. Check heating object in engine room.
  2. Check A/C system for defects.
  3. After 20 minutes, IG ON and A/C ON then check compressor operation.
  4. If not operating, replace compressor.
65 Overloaded
  1. Check cooling fan operation.
  2. Check AAF(Active Air Flap) for short circuit
  3. After 20 minutes, IG ON and A/C ON then check compressor operation.
  4. If not operating, replace compressor.
66 Over current protection
68 Missed restart
71 Failure of Over torque stall
67 Abnormal (not receiving)
  1. Check 12V battery fuse.
  2. Check LV connector connection.
  3. Check FATC CAN connection.
  4. If not operating, replace compressor.
69 Failure of thermistor open
  1. Check thermistor condition and inspect.
70 Failure of thermistor short
72 Failure of short circuit current
  1. Replace compressor.
  2. Check vehicle inverter fuse (if necessary, replace).
73 Failure of driver voltage
74 Failure of current measuring
75 Failure max temperature gradient
76 Failure Internal Error