2014 Jeep Wrangler JK Factory Service Manual 28 - DTC-Based Diagnostics

U0447-IMPLAUSIBLE DATA RECEIVED FROM CENTRAL GATEWAY



For a complete wiring diagram, refer to the Wiring Information.



Possible Causes

CAN BUS OPEN OR SHORTED CONDITION
TOTALLY INTEGRATED POWER MODULE (TIPM)
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).


1. ACTIVE DTC




NOTE: Diagnose all CAN B and C communication DTCs before continuing.
1. Ignition on, engine not running.
2. With a scan tool, view DTCs.


Is the status Active for this DTC?

Yes


No


2. TIPM COMMUNICATION RELATED DTCs IN OTHER MODULES


1. With the scan tool, select Network Diagnostics.


Is there more than one module with active DTCs “Logged Against” the TIPM at this time?

Yes


No