![]() ![]() Common problems include no transmission fluid and failed transmission fluid pump. Chevy doesn’t move – When you put your Chevy car or truck in Drive or reverse, it may not move.Get it diagnosed and repaired by a mechanic as soon as possible to avoid further transmission damage. Chevrolet transmission shifts harsh on P or N – Electronic Pressure Control (EPC) solenoid may have failed.The throttle position sensor may no longer send the correct electrical signal. The issue can be faulty shift solenoid, low transmission fluid level, wiring problems, TCM, ECU, PCM software issues, TCC solenoid failure, TCC clutch worn out, bad TCC (Torque Converter Clutch) lockup, or faulty brake pedal switch. Transmission is stuck in limp-home mode – Possible causes include low voltage or communication problems with transmission and engine control units.First, read the fault codes with a transmission scanner. Transmission shifts harshly, and Chevy feels sluggish when accelerating – Check engine light may also turn on.Chevy will drive in 1st, and 3rd only but not 2nd or 4th gear – Sunshell may be damaged, or splines are sheared off, servo seals may be worked out, and bands themselves could be worn out.Transmission grinding noise – sun shells (planetary gears) may be damaged.Chevy transmission won’t go into 3rd or 4th gear – This indicates that 3 or 4 gear clutches are worn.It could be internal transmission failure, low transmission fluid, or a faulty Vehicle Speed Sensor (VSS sensor). Chevy transmission won’t shift, stuck in 1st gear or limp mode – Speedometer may display zero at all times.A leak in the servo assembly or accumulator. Won’t shift to a higher gear until you let off the gas – Faulty throttle position sensor. ![]() ![]() Chevy transmission slipping or no reverse – Reverse clutches may be worn out, have a fluid leak, or have a broken sun shell.Here is a quick overview of Chevy transmission problems and possible causes. If these symptoms are ignored, your Chevrolet may get stuck in limp mode and not shift at all. In other cases, the transmission warning light may come up but not the check engine light, and symptoms such as erratic or delayed shifting become noticeable. ![]()
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