Replacement

1. Turn ignition switch OFF.
2. Disconnect the negative (-) battery cable.
3. Remove the air cleaner assembly.

4. Disconnect the TCM connector (A).

5. Remove the TCM (C) after removing the mounting bolts (A) and nut (B).

TCM installation bolt/nut :
(A), (B) 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

Inspection

TCM Problem Inspection Procedure
1. TEST TCM GROUND CIRCUIT: Measure resistance between TCM and chassis ground using the backside of TCM harness connector as TCM side check point. If the problem is found, repair it.

Specification:Below 1Ohms

2. TEST TCM CONNECTOR: Disconnect the TCM connector and visually check the ground terminals on TCM side and harness side for bent pins or poor contact pressure.
If the problem is found, repair it.
3. If problem is not found in Step 1 and 2, the TCM could be faulty. If so, make sure there were no DTC's before swapping the TCM with a new one, and then check the vehicle again. If DTC's were found, examine this first before swapping TCM.
4. RE-TEST THE ORIGINAL TCM: Install the original TCM (may be broken) into a known-good vehicle and check the vehicle. If the problem occurs again, replace the original TCM with a new one. If problem does not occur, this is intermittent problem .

Installation

In the case of the vehicle equipped with immobilizer or button engine start system, perform "Key Teaching" procedure together .
1. Installation is reverse of removal.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Transaxle Control Module (TCM)

Use the Manual With the Right Hardware

When to See a Mechanic