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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1299 (2.4L - DTCS P2245 To U1504) >> DTC Troubleshooting >> U0402-Implausible Data Received From TCM >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
POSSIBLE CAUSES
CAN BUS OPEN OR SHORTED CONDITION
TRANSMISSION HARDWARE OR SOFTWARE ISSUE
TRANSMISSION CONTROL MODULE (TCM)
POWERTRAIN CONTROL MODULE (PCM)

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