Operation CHARM: Car repair manuals for everyone.

Test F: The Speed Control ON Message Display Is Inoperative

PINPOINT TEST F: THE SPEED CONTROL ON MESSAGE DISPLAY IS INOPERATIVE


F1-F2:






Normal Operation
The purpose of the speed control ON message is to inform the operator that the speed control system is controlling the speed of the vehicle. The powertrain control module (PCM) monitors the speed control input switches and sends the instrument cluster a message over the communication network to illuminate the speed control ON message.

Possible Causes
- instrument cluster