Dodge Ram Wagon 2500 Problems

RepairPal has identified the most common problems with the Dodge Ram Wagon 2500 as reported by 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

An intermittent connection in the crank position sensor wire connector can cause poor engine performance or the engine may crank but not start.

Intermittent erratic oil pressure readings may be caused by a PCM software issue. There is revised software available to correct this condition.

Our technicians tell us that there is a software upgrade for the ABS module to correct inaccurate speedometer readings.

For the 9.25" HD Rear Axle only, some vehicles may shudder or vibrate on brake apply. This can be caused by axle shafts, brake drums, or brake shoes. A complete inspection of the rear brakes may be required to isolate the cause of the vibration.

Our technicians tell us that some transmissions may exhibit harsh shift conditions or a false PCM codes P1763 and may benefit from a PCM software upgrade.
A no crank condition may be cause by a blown starter relay fuse. If the fuse is blown and the relay circuit is not shorted to ground, our technicians tell us there is a relay and harness assembly to be installed along with a new fuse.

Some automatic transmissions may set a code P1740, torque converter fault. Our technicians tell us there is a revised transmission pressure boost valve cover plate to correct this condition.

Some vehicles may exhibit one or more of the following: Spark knock complaints when the vehicle is under load, various single cylinder misfire, and surge in 4th gear (around 45 mph). Our technicians tell us that rerouting the coil and spark plug wires to minimize induction effects will commonly correct this condition. If wires must cross during the reroute procedure, they must cross at a 90 degree angle.

Battery acid may leak onto an ABS wiring connector which could cause corrosion or a short circuit. A revised battery tray is available to protect the wire harness. Any damaged wiring will need to be repaired as necessary.

A knocking noise front the front suspension may be caused by interference between the idler arm and the stabilizer bar. Our technicians tell us that if this is the case a revised stabilizer bar is available.

Insufficient fuel pressure may be caused by particulate contaminates or other type of substances by-passing the primary fuel pick-up screen and resulting in fuel pump failure. Our technicians recommended to replace entire fuel pump module assembly as two (2) filters, primary and secondary are included with the assembly.

Excess cooling fan noise may be caused buy a faulty cooling fan and fan clutch.

The engine may exhibit excessively high oil pressure at cold start up. This may lead to distortion of the oil filter case. Inspect the oil filter case for any signs of distortion. If the case is distorted,  Connect an oil pressure gauge to the engine and start the engine while observing the readings. If the pressure reads above 80 psi, replace the oil pump.

The fuse may blow repeatedly for the HVAC blower motor or the motor may stop working all together. Our technicians tell us that can often be repaired by replacing the blower motor switch with a revised switch and installing a wiring harness with a relay assembly.

The HVAC blower may operate on high speed only. This is commonly caused by a failed blower motor resistor. Chrysler has released a revised part to address this problem.