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Home >> Jeep >> 2007 >> Compass Limited, AWD, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTCS P2308 To U1418 >> U1403-Implausible Fuel Level Signal Received >> Possible Causes

Possible Causes

Possible Causes 
CAN B OPEN OR SHORTED
INSTRUMENT CLUSTER (CCN)
TOTALLY INTEGRATED POWER MODULE (TIPM)
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .  

The TIPM receives a fuel level signal over CAN B from the Cluster. The TIPM transmits the fuel level message to the PCM over the CAN C bus.

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