C0242 on SUBARU OUTBACK
Traction-control/engine-control signal fault causing reduced power
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Subaru Outback 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 C0242.
- 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 C0242 Means on Your SUBARU OUTBACK
C0242 is a diagnostic trouble code indicating: Traction-control/engine-control signal fault causing reduced power. This code relates to the chassis, ABS, steering, suspension, or stability-control system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real SUBARU OUTBACK Owner Reports
Source: NHTSA Complaints Database
"MY CAR OFTEN GETS STUCK WITH THE PARKING BRAKE ON AND I CANNOT MOVE THE CAR FORWARD OR BACKWARD. MOST TIMES I HAVE A CARLOAD OF GROCERIES AND NEED TO GET THEM TO THE FREEZER OR REFRIGERATOR. COMPUTER ENGINE ANALYSIS...... ABS C0054 BRAKE SWITCH ON MALFUNCTION C0057 ECM CONTROL...... EPB C0252 MOTOR MALFUNCTION DETAIL C"
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on SUBARU OUTBACK
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.