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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (3.6L - DTCS P2135 To U1418) >> Diagnosis And Testing >> U1403-Implausible Fuel Level Signal Received >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
CAN CIRCUIT OPEN OR SHORTED
FUEL LEVEL SENSOR
FUEL LEVEL SIGNAL CIRCUIT OPEN
FUEL LEVEL SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT
SENSOR GROUND CIRCUIT OPEN
TOTALLY INTEGRATED POWER MODULE (TIPM)
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to .