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. Initial Inspection and Diagnostic Overview.


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


- Diagnose and repair the DTC(s).
- 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