Toyota Highlander Shifting Hard: Causes + Diagnosis

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

Toyota Highlander:  Warped Rotors → Symptoms & Causes

  Rotors are metal discs that are visible behind the Highlander’s wheel. They work together with the calipers and brake pads to slow down your Toyota Highlander. 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

Toyota Highlander:  Bad ECM → Symptoms + Diagnosis

Your Toyota Highlander’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Highlander 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

Toyota Highlander 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 Toyota Highlander 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