Close

2003 Dodge Ram 2500 Problems

Find the most common issues based on 2003 Dodge Ram 2500 owner complaints.
Tap theto learn more about the most common 2003 Dodge Ram 2500 problems.

Most Common 2003 Dodge Ram 2500 Problems

Replacing a pressure solenoid valve in the transmission valve body may fix an issue where the transmission "hunts" between first and second gears. Our technicians report that customers sometimes de...
If the engine is difficult to start or cranks but does not start, it can be caused by a leak in the return side of the fuel system. This type of leak can allow air to enter the injection pump res...
On some models a void in the rear window seal may cause a water leak. Water may be present on or under the carpet. The seal will need to be replaced if that is the source.
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
Looking for a particular 2003 Dodge Ram 2500 problem?

0 Known 2003 Dodge Ram 2500 Brakes Problems

2 Known 2003 Dodge Ram 2500 Drive Train Problems

Replacing a pressure solenoid valve in the transmission valve body may fix an issue where the transmission "hunts" between first and second gears. Our technicians report that customers sometimes de...
If the transmission delays initial gear engagement after being parked overnight or longer, it may be due to a suspect transmission cooler return filter. If the transmission was recently serviced an...

2 Known 2003 Dodge Ram 2500 Electrical & Lights Problems

If the engine cranks but does not start, or starts and stalls, the fuses should be inspected, especially the power door locks fuse. The power door lock fuse provides power to a module that sends th...

2 Known 2003 Dodge Ram 2500 Engine Problems

The thermostat may fail to close completely, causing the Check Engine Light to illuminate. This problem will prevent the engine from reaching normal operating temperature; a new thermostat should ...
A new overrunning alternator pulley often helps with drive belt squealing or fraying. Pulley alignment should also be inspected when the belt frays or squeals.

5 Known 2003 Dodge Ram 2500 Exhaust & Emissions Problems

If the engine is difficult to start or cranks but does not start, it can be caused by a leak in the return side of the fuel system. This type of leak can allow air to enter the injection pump res...
If a Check Engine Light illuminates indicating leak detection pump (LDP) failure, the cause is often pinched or disconnected vacuum lines to the pump. Vacuum lines should be inspected before repl...
The throttle body may malfunction in very cold climates causing symptoms at engine start up. A throttle body causing problems will require replacement.

2 Known 2003 Dodge Ram 2500 Heating & Air Conditioning Problems

Some vehicles may develop a musty odor coming from the HVAC system, Dodge has issued a cleaner/disinfectant and a coating for the evaporator designed to inhibit bacterial growth.
The AC/heater (HVAC) system may unexpectedly switch to the defrost mode when accelerating. This system is operated by engine vacuum and should be inspected for any vacuum leaks if this problem d...

0 Known 2003 Dodge Ram 2500 Maintenance Problems

4 Known 2003 Dodge Ram 2500 Miscellaneous Problems

On some models a void in the rear window seal may cause a water leak. Water may be present on or under the carpet. The seal will need to be replaced if that is the source.
The track for the power seat may need to be replaced if the seat rocks when the vehicle accelerates or slows down.
A revised return spring is available if the cup holder binds or is slow to open.

2 Known 2003 Dodge Ram 2500 Suspension & Steering Problems

A vibration or shimmy felt in the steering wheel when driving over rough roads may be caused by a worn steering damper and tie rod ends. Also be sure the tires are correctly inflated, alignment is ...
If it feels as though the steering wheel has a small amount of play (moves toward you when pulled), a new bearing retainer may be needed for the steering column.

19
Known 2003 Dodge Ram 2500 Problems & Complaints

Replacing a pressure solenoid valve in the transmission valve body may fix an issue where the transmission "hunts" between first and second gears. Our technicians report that customers sometimes de...
If the engine is difficult to start or cranks but does not start, it can be caused by a leak in the return side of the fuel system. This type of leak can allow air to enter the injection pump res...
If the engine cranks but does not start, or starts and stalls, the fuses should be inspected, especially the power door locks fuse. The power door lock fuse provides power to a module that sends th...
On some models a void in the rear window seal may cause a water leak. Water may be present on or under the carpet. The seal will need to be replaced if that is the source.
Some vehicles may develop a musty odor coming from the HVAC system, Dodge has issued a cleaner/disinfectant and a coating for the evaporator designed to inhibit bacterial growth.
If the transmission delays initial gear engagement after being parked overnight or longer, it may be due to a suspect transmission cooler return filter. If the transmission was recently serviced an...
The AC/heater (HVAC) system may unexpectedly switch to the defrost mode when accelerating. This system is operated by engine vacuum and should be inspected for any vacuum leaks if this problem d...
The Check Engine Light may illuminate for many different reasons, some of which may be corrected by updating the software in the powertrain control module (PCM).
The thermostat may fail to close completely, causing the Check Engine Light to illuminate. This problem will prevent the engine from reaching normal operating temperature; a new thermostat should ...
If a Check Engine Light illuminates indicating leak detection pump (LDP) failure, the cause is often pinched or disconnected vacuum lines to the pump. Vacuum lines should be inspected before repl...
Long cranking times in cold temperatures (below freezing) may be solved with a software update to the Cummins ECM.
A vibration or shimmy felt in the steering wheel when driving over rough roads may be caused by a worn steering damper and tie rod ends. Also be sure the tires are correctly inflated, alignment is ...
The throttle body may malfunction in very cold climates causing symptoms at engine start up. A throttle body causing problems will require replacement.
The track for the power seat may need to be replaced if the seat rocks when the vehicle accelerates or slows down.
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
Researching a 2003 Dodge Ram 2500?
Get maintenance costs, reviews, recalls and more.