U0103 CHEVROLET code

What does the code U0103 mean?

OBD-II Code U0103 is defined as a Lost Communication With Gear Shift Control Module “A”

Does U0101 lost communication with TCM mean?

What does OBD-II fault code U0101 mean? Code U0101 stands for Lost Communication with TCM. The transmission control module (TCM) is the computer that controls your vehicle’s transmission. Various sensors provide input to the TCM.

How much is a transmission control module?

The replacement cost of a transmission control module will be anywhere from $500 to $900. You can expect the parts costs to be around $450 to $700 while the labor costs will be around $50 to $200.

What is U0121 code?

Code U0121 stands for Lost Communication with Anti-lock Brake System Module. Anti-lock brakes are required on all modern vehicles. The antilock braking system (ABS) prevents wheel lockup by modulating the brakes in an emergency situation.

How do I reset my TCM?

To reset the TCM, I turn the key to the ON position, step on the accelerator pedal for 10 seconds, turn off the engine, release the accelerator pedal and wait 5 minutes for the engine to restart.

How much does it cost to fix U0100 code?

It will take a mechanic around one hour to diagnose what is causing the U0100 code. If the problem is with your battery or the wiring between the CAN bus and the PCM, it may be a quick fix. Replacing the ECM or the PCM itself can run anywhere from $800 to $1500.

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What causes TCM to fail?

A transmission control module is an electronic device and a burnt circuit is the reason for its failure in most cases. It can be a faulty resistor or transistor on a printed circuit board. Any qualified technician or an experienced car mechanic can fix the problem.

Can you drive with a bad transmission control module?

It is not recommended to drive long distances with a bad transmission control module. Without a properly working transmission control module, you could experience serious mechanical issues that require expensive repairs.

How can you tell if your transmission control module is bad?

Signs of a Bad Transmission Control Module

  1. Unpredictable shifting.
  2. Trouble shifting into higher gear.
  3. Trouble downshifting.
  4. Getting stuck in the same gear.
  5. Poor fuel economy.
  6. Check engine light comes on.