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2003 Honda Accord Problems

RepairPal has identified the most common problems with the 2003 Honda Accord based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problems

The 1998-2016 Honda Accord may develop issues with the automatic transmission.

Rough shifting may occur, and the “D4” light and check engine may begin to blink. The check engine light will also illuminate, and OBD trouble codes P0700, P0730, P0740, P0780, P1768 and/or P1768 will be stored in the computer.

If the transmission shifts roughly, the failure is very likely mechanical failure of the transmission. If the transmission performs normally, a faulty sensor, or dirty transmission fluid may be the case.

In most cases, it is necessary to use professional diagnostic equipment to provide a diagnosis, and complete the repair.

The longevity of the transmission is dependent on strict adherence to the manufacturer's recommendation for ATF replacement intervals and procedure.

Power door locks can activate intermittently due to a faulty door lock actuator in the driver's door.

The radio and climate control display can go dark on some models. It will be necessary to replace the affected unit to correct this concern. Some customers have reported receiving help from Honda regarding this repair.

Excessive oil consumption can cause a low oil level condition, which can result in illumination of the Check Engine Light.

Ignition switch failure may cause the car to stall or fail to start. Honda issued a recall to replace the ignition switch. For more information on this recall please click here»

The driver's door latch assembly can break internally, which causes the door to stay closed. The interior and exterior door handles do not work to open the door. Our technicians note that the door panel must be removed while the door is closed (likely damage will occur) and the latch assembly must be drilled in a specific spot for the door to open.

Front compliance (lower control arm ) bushings tend to crack and break requiring replacement.

The computer can misinterpret a low battery voltage and can cause a false Check Engine (MIL) light to come on. Updating the PCM can correct this issue.

Some models have shift quality problems when shifting into third gear. A new "third gear set" from Honda will address this issue.

Damaged engine mounts can lead to vibration and roughness felt in the steering wheel. A rattle in the dash and engine area may also be heard. Replacement of damaged mounts will commonly correct these issues.

The 1990-2016 Honda Accord engine oil pressure sensor may leak from normal operation.

More information about the oil pressure sensor here.

To correct the leak, the sensor must be inspected, properly sealed and installed, or replaced with new.

If the engine is knocking or pinging when accelerating, the PCM may need updated software.

The engine may develop and oil leak due to a porous engine block casting. The repair procedure is dependent on where the leak is located. Honda has released a service bulletin covering model years 1998-2003. Honda may offer assistance with repairs, determined on a case by case basis.