No Comm From Micro to CCB2

Communication failure with Compartment Control Board 2 (CCB2).

Possible causes

Damaged CAN bus wiring to C2
CCB2 board without power supply
Electronic failure in CCB2

Recommended actions

Inspect wiring harness going to evaporator 2
Verify voltage at CCB2 board
Check connectors for corrosion
Replace CCB2 board if necessary

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