U1411
U1411-IMPLAUSIBLE FUEL VOLUME SIGNAL RECEIVED
Theory of Operation
The Front Control Module isn't receiving a fuel volume signal over CAN B from the Cluster Module. 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. Pre-Diagnostic Troubleshooting Procedure.
1. ACTIVE DTC
NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.
1. Ignition on, engine not running.
2. With a scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Intermittent Condition Test.
2. CAN B BUS HARDWARE DTCS ALSO ACTIVE
1. With a scan tool, select View DTCs in the TIPM.
Are any CAN B Hardware related DTCs active?
Yes
- Testing and Inspection Perform the appropriate Diagnostic Procedure.
No
- Perform the PCM Verification Test. Powertrain Verification Test.