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Heating System H02

Fault code 36

CAN-timeout instrument cluster

NOTE:

- CAN comfort bus is connected to the following control modules:
- Instrument cluster
- Air-conditioning system regulator
- PCM2/CDR23 (if available)
- Communication between the Porsche System Tester II No. 9588 and the air-conditioning system regulator or the PCM2/CDR23 (if available) is attained via the instrument cluster and the CAN comfort bus.

Diagnostic conditions
- Ignition on

Possible cause of fault

NOTE:
If both CAN comfort leads between the air-conditioning system regulator and instrument cluster is interrupted, there is no communication possible between the Porsche System Tester II No. 9588 and the air-conditioning system regulator.

- Open circuit of CAN high lead
- Open circuit of CAN low lead
- A faulty control unit connected to CAN comfort bus

Affected pins
Connector B, pin 1 and pin 2

Diagnosis/troubleshooting