U0404 on JEEP COMMANDER
Invalid Data Received From Gear Shift Control Module A
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Jeep Commander context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for U0404.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What U0404 Means on Your JEEP COMMANDER
U0404 is a diagnostic trouble code indicating: Invalid Data Received From Gear Shift Control Module A. This code relates to the vehicle network, module communication, or data bus system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real JEEP COMMANDER Owner Reports
Source: NHTSA Complaints Database
"My jeep has been having issues where i will be driving and service park assist system comes on dash board and on the prnd boxes come around it and the car stales. if i try to go the car won't go but rpm go up."
"While merging onto the highway when i try to accelerate there is not power. there is boxes around all gears (prnd). the display flash "service park assist". then check engine light comes on. called chrysler said to take to dealer and find out what the repair will be."
"When shifting out of park, jeep will shift hard and lights around prnd are illuminated and error message "service park assist system" is displayed. when this happens, you have to put car back in park and turn it to the off position to reset. sometimes this clears it,sometimes it doesn't."
"Problem started with vehicle losing power on acceleration from dead stop. it did that twice before the "check engine" light came on as i was pulling out into heavy traffic."
"I lease a 2007 jeep commander. i noticed, to start, that the engine would not accelerate at a low speed. at first it felt like my foot was not quite on the accelerator so i dismissed the first couple of incidences."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on JEEP COMMANDER
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.