U0002 on Dodge Charger
High Speed CAN Communication Bus Performance
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Dodge Charger 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 U0002.
- 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 U0002 Means on Your Dodge Charger
U0002 is a diagnostic trouble code indicating: High Speed CAN Communication Bus Performance. This code relates to the network communication system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Dodge Charger Owner Reports
Source: NHTSA Complaints Database
"I was sold this car from a dealer and told nothing was wrong with it, 2 days later codes U0002 (CAN communication BUS performance) and U0103 (Loss communication with gear shift module) came on and the car will go into what I believe is limp mode every 10-30 minutes into driving it."
"We bought this vehicle on may 6 , 2013, two hours later the check engine light went on. took it to autozone and hooked it to the computer said it was the transmission."
"When driving my 2013 dodge charger se all of the lights flashed on the dash and the auto trans would not shift out of 1st gear . i ran my obd2 and it gave a trouble code of u0002 high speed can bus. it then stalled on the hwy and i about crashed the vehicle due to now power steering or brakes."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Dodge Charger
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.