2003 Volvo C70 Problems: 1 Known Issue
2003 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2003 Volvo C70 has 1 documented issue, with 1 rated critical. The most serious is Electronic Throttle Module (ETM) Failure ($300-$800 repair). Across all issues with published estimates, repair costs range from $300 to $800. DIY maintenance guides at au7o.io.
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All 1 Known Issue
NHTSA Recalls3 recalls
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
CERTAIN CARDONE MASTER CYLINDERS WITH PART NUMBERS 10-2925, 10-2987, 10-2987MZA, 10-3083, 11-3015, 11-3042, 11-3044, 11-3045, 11-3047, 11-3064, AND 11-3156, AND WITH DATE CODES LOWER THAN DCA7078 SOLD AS REPLACEMENT EQUIPMENT FOR USE ON THE VEHICLES LISTED ABOVE. THE SEAL ON MASTER CYLINDER CAN FAIL AND LEAK BRAKE FLUID.
EXTERIOR LIGHTING:TURN SIGNAL
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THERE COULD BE INADEQUATE CONTACT BETWEEN THE BULB AND SOCKET WHICH COULD CAUSE THE FRONT TURN SIGNAL NOT TO FUNCTION AS DESIGNED.
VEHICLE SPEED CONTROL
ON CERTAIN PASSENGER VEHICLES, A COMBINATION OF THROTTLE POSITIONING SENSOR IRREGULARITIES, A DIRTY THROTTLE HOUSING, AND/OR INEFFICIENT SOFTWARE CALIBRATION MAY CAUSE A WARNING LAMP TO LIGHT AND THE SUBSEQUENT ONSET OF LIMP HOME MODES.
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Frequently Asked Questions
What are the most common Volvo C70 problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2003 Volvo C70 has 1 documented issue. The documented issue is: Electronic Throttle Module (ETM) Failure. Of these, 1 is rated critical and should be addressed promptly.
Is the Volvo C70 reliable?
The 2003 Volvo C70 has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Electronic Throttle Module (ETM) Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Volvo C70 problems?
Repair costs for known Volvo C70 issues range from $300 to $800, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Electronic Throttle Module (ETM) Failure, typically costs $300-$800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 1999-2005 Volvo C70 Electronic Throttle Module (ETM) Failure?
Same ETM failure as other P2 platform Volvos. The early C70 (1998-2005, first gen) is most susceptible. Repairs typically run $300-$800. Severity: high.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.