Operation CHARM: Car repair manuals for everyone.

With Manufacturer's Scan Tool

How to clear the DTC

While in Test Mode 1, press and hold down the SELECT/RESET button for more than 10 seconds.

Troubleshooting CAN Circuit Related Problems

NOTE: Check the PCM for DTCs and troubleshoot PCM or F-CAN loss of communication errors first.

Loss of Communication DTC Cross-reference Chart

When an ECU is unable to communicate with the other ECUs on the CAN circuit, the other control unit will set loss of communication DTCs. Use this chart to find the control unit that is not communicating.

1. Find the transmitting control unit that is in the same row as all of the loss of communication DTCs retrieved.




2. Do the input test for the transmitting control unit.