DESCRIPTION:
Adaptive cruise control message not received.

MONITORED PARAMETER:
PGR034 adaptive cruise control enable.

TYPICAL ENABLING CONDITIONS:
1. Key is on.
2. CPC is online.
3.CAN network is online.
4. Adaptive cruise control system is equipped.
5. 10 seconds after the engine has been cranked.

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
Two seconds

DASH LAMPS:
None

ENGINE REACTION:
None

VERIFICATION:
Engine running for one minute.

NOTE: If any battery voltage codes present, first those first. If code 625-9 active, fix that before proceding as well.

PROBABLE CAUSES:
1. CPC recently programmed incorrectly.
2. Another computer on the truck is the cause of the problems (ABS, Transmission, etc…).