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Home >> Jeep >> 2008 >> Commander Base, 3.7 K, RWD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Nag1 Automatic Transmission - Electrical Diagnostics >> Automatic Transmission Nag1 - Electrical Diagnostics >> DTC Troubleshooting >> U0424-Implausible Data Received From HVAC Control Module >> Possible Causes
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Possible Causes

Possible Causes 
CAN BUS DTCS PRESENT
HVAC DTCS PRESENT
TRANSMISSION CONTROL MODULE

Always perform the NAG1 PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  before proceeding.

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