Operation CHARM: Car repair manuals for everyone.

U1411






U1411-IMPLAUSIBLE FUEL VOLUME SIGNAL RECEIVED





For a complete wiring diagram refer to Diagrams/Electrical.


Theory of Operation


The TIPM has to send the PCM a fuel volume signal over CAN C. The signal the TIPM sends over CAN C is implausible.

- When Monitored:

Ignition on.

- Set Condition:

The fuel volume message the PCM is receiving is implausible. The circuit is continuously monitored.







Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.


Diagnostic Test


1. ACTIVE DTC

Ignition on, engine not running.

With a scan tool, select View DTCs.

Is the DTC Active at this time?

Yes

- Go To 2

No

- Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Intermittent Condition

2. CAN C BUS DTCS ALSO ACTIVE

With a scan tool check for DTCs in the TIPM.

Are any CAN C related DTCs Active at this time?

Yes

- Refer to Communications for the appropriate diagnostic procedures.
- Perform BODY VERIFICATION TEST VER-1. Body Verification Test

No

- Replace and program the Powertrain Control Module.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test