P0890 KIA code

The P0890 diagnostic trouble code gets triggered when the transmission solenoids are basically not “powering up”.

How do I fix code P0890?

What repairs can fix the P0890 code? Repairing a P0890 trouble code requires a mechanic to do the following: Replace any faulty or damaged wiring, connectors, or components. If replacing wiring in the CAN Bus harness, the mechanic might be better served replacing the whole harness as opposed to individual wires.

What is a Transmission Control Relay?

The transmission control relay (TCR) is used to supply power to the transmission solenoid pack during normal operation. When the relay is off, no power is supplied to the control pack and the transmission goes into “limp mode”.

What is a TCM Power Relay Sense circuit?

OBD II fault code P0890 is a generic code that is defined as “Transmission control module (TCM) power relay sense circuit low”, and is set when the PCM (Powertrain Control Module) or in some cases, the TCM Transmission Control Module) detects an abnormally low voltage from the relay that supplies power to the shift

How do you reset a transmission control module?

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.

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How much does a transmission relay cost?

Depending on the make and model of your vehicle, expect to pay between $15 – $100 for a single transmission shift solenoid. A pack can cost $50 to $300.
Transmission Solenoid Replacement Cost – Parts & Labor.

Type Cost Range
Single $15 to $100
Pack $50 to $300
Labor $120 to $400
Total (Pack) $250 to $600

Where is transmission control module located?

The transmission control module can often be found below the cover at the back of the transmission case. It should be just below the engine control module’s position. Sometimes it’s found under the center console in the interior or even under the hood near the battery or inner fender panel.

What causes a transmission control module 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.