HVAC
U11B8-00 LOST COMMUNICATION WITH INTEGRATED CENTER STACK (ICS)
For a complete wiring diagram, refer to the Wiring Information.
- When Monitored:
Continuously when the ignition is on.
The battery voltage is between 10 and 16 volts.
- Set Condition:
Bus messages not received from the Integrated Center Stack (ICS) for approximately ten seconds.
Diagnostic Test
VERIFY THE DTC IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, read active DTCs.
Is this DTC active?
Yes
- Manufacturer Code Charts and perform the NO RESPONSE FROM ICS (INTEGRATED CENTER STACK) diagnostic procedure.
No
- Manufacturer Code Charts and perform the Stored Lost Communication DTCs diagnostic procedure.