Chrysler 300M Shifting Hard: Causes + Diagnosis

One of the most common automatic transmission problems is shifting hard.  If your Chrysler 300M has a hard shifting transmission, it can be uncomfortable to drive and a sign of serious problems. If your car’s transmission is shifting hard, it can cause a harsh ride and lead to potential damage over time. Numerous factors can … Read more

Chrysler 300M:  Warped Rotors → Symptoms & Causes

  Rotors are metal discs that are visible behind the 300M’s wheel. They work together with the calipers and brake pads to slow down your Chrysler 300M. Due to braking friction, rotors have to withstand and dissipate a tremendous amount of heat. This causes the rotor surface to be uneven making the brake pedal feel … Read more

Chrysler 300M: Bad Motor Mount → Symptoms + Diagnosis

While your Chrysler 300M’s engine mounts can last the life of the entire vehicle, it is possible that they will go bad.  Vibration and a clunking sound are the two most noticeable symptoms when driving the vehicle.  There are plenty of visible signs as well. Engine mounts connect the engine to the frame of the … Read more

Chrysler 300M:  Bad ECM → Symptoms + Diagnosis

Your Chrysler 300M’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your 300M can’t function without it. It is sometimes referred to as the ECU or PCM.  It’s all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts … Read more

Chrysler 300M P0353 Diagnosis

P0353 is a generic OBD2 code that indicates that ignition coil “C” has an issue with the primary or secondary wiring circuits.  It has the same meaning for the Chrysler 300M as it would any other vehicle.  It is typically caused by a bad coil pack or wiring harness issue, although there can be caused … Read more