Kia Stinger CK Quiz
Automatic Transmission System

Transmission Control Module (TCM)

In this manual: Automatic Transmission System
General Information — 8Maintenance — 27Engine Mechanical System — 47Engine Electrical System — 19Emission Control System — 12Engine Control System/Fuel System — 51Automatic Transmission System — 34All-Wheel Drive (AWD) System — 7Drive Shaft and Axle — 15Suspension System — 25Steering — 8Restraints — 19Brake System — 22Body (Interior and Exterior) — 47Front Seat Belt — 63Body Electrical System — 99Windshield Wiper/Washer — 11Heating, Ventilation, and Air Conditioning — 32
10steps
~60min
3/5difficulty
0102030405011.89N·mlb·ft
Tightening torque found on this page
Done 0 of 10

Components and Component Location

Component Location

1. Transmission Control Module (TCM)

Description and Operation

Description

The module receives and processes signals from various sensors and components. It controls a wide range of transmission functions to provide optimal driving conditions for the driver.

Functions

  • Monitors vehicle operating conditions to determine the optimal gear setting.

  • Performs gear shifting when the current gear position differs from the identified optimal gear position.

  • Determines whether to activate the torque converter clutch and engages the clutch accordingly.

  • Calculates the optimal line pressure level by constantly monitoring the torque level and adjusts the pressure accordingly.

  • Diagnoses automatic transmission malfunctions and failures.

Operation

Circuit Diagrams

TCM Connector

TCM Terminal Function

[Black Pattern]

Pin Description Pin Description
1 Overdrive Clutch Control Solenoid Valve 40 Rear UP Comm. (TCM→Electronic Shift Lever)
2 Torque Converter Damper Clutch Control Solenoid Valve 43 CAN HIGH
3 27 Brake Control Solenoid Valve 44 CAN LOW
5 6 Clutch Control Solenoid Valve 45 D Position Solenoid Valve (ON/OFF)
7 Line Pressure Control Solenoid Valve 49 Park Switch Ground
8 35R Clutch Control Solenoid Valve 52 CAN LOW
9 4 and OD Clutch Control Solenoid Valve 53 CAN HIGH
10 8LR Brake Control Solenoid Valve 54 P Position Solenoid Valve (ON/OFF)
12 Rear UP Comm. (TCM→Electronic Shift Lever) 55 Back-Up Lamp Relay
14 Park Switch Signal "S2" (PWM) 56 Output Speed Sensor (Power), 9V
15 Park Switch Power (5 V) 58 Input Speed Sensor (Power), 9V
18 R Position Solenoid Valve (ON/OFF) 65 Power Solenoid Valve 1 (UD, 27, 8LR, DC)
20 Paddle Shift Switch (Down) 66 Power Solenoid Valve 2 (4&OD, 35R, 6C, LP)
21 Paddle Shift Switch (Up) 67 Power (VB)
22 Park Switch Signal "S1" (PWM) 68 Power (VB)
24 P/N Relay 70 Solenoid Valve 3 Power (ON/OFF)
25 Transmission Fluid Temperature Sensor (+) 71 Ground
26 Oil Temperature Sensor (-) 72 Power Solenoid Valve 4 (ON/OFF)
27 Rear UP Comm. (TCM→Electronic Shift Lever) 73 Ground
31 Input Speed Sensor Signal 74 Ground
32 Output Speed Sensor Signal - -

[Shift-by-Wire]

Pin Description Pin Description
1 Overdrive Clutch Control Solenoid Valve 26 Oil Temperature Sensor (-)
2 Torque Converter Damper Clutch Control Solenoid Valve 31 Input Speed Sensor Signal
3 27 Brake Control Solenoid Valve 32 Output Speed Sensor Signal
5 6 Clutch Control Solenoid Valve 43 CAN HIGH
7 Line Pressure Control Solenoid Valve 44 CAN LOW
8 35R Clutch Control Solenoid Valve 49 Inhibitor Switch Ground
9 4 and OD Clutch Control Solenoid Valve 52 CAN LOW
10 8LR Brake Control Solenoid Valve 53 CAN HIGH
11 Manual Mode "Select" Switch 55 Back-Up Lamp Relay
12 Manual mode "Up" switch 56 Output Speed Sensor (Power), 9V
13 Manual mode "Down" switch 58 Input Speed Sensor (Power), 9V
14 Inhibitor Switch Signal "S2" 65 Power Solenoid Valve 1 (UD, 27, 8LR, DC)
15 Inhibitor Switch Power (5 V) 66 Power Solenoid Valve 2 (4&OD, 35R, 6C, LP)
18 SS-A Solenoid Valve (ON/OFF) 67 Power (VB)
20 Paddle Shift Switch (Down) 68 Power (VB)
21 Paddle Shift Switch (Up) 71 Ground
22 Park Switch Signal "S1" (PWM) 72 Power Solenoid Valve 4 (ON/OFF)
24 P/N Relay 73 Ground
25 Transmission Fluid Temperature Sensor (+) 74 Ground

TCM Terminal Input/Output Signal

[Black Pattern]

Pin Description Condition Input/Output Value
Type Level
1 Overdrive Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
2 Torque Converter Damper Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
3 27 Brake Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
5 6-Speed Torque Converter Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
7 Line Pressure Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
8 35R Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
9 4 and OD Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
10 8LR Brake Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
14 Park Switch Signal S2 High Input 0 V / 4.5–5.5 V
Low 4.5 < Battery Voltage Level < 5.5 V
15 Park Switch Power (5 V) High Input 0 V / 4.5–5.5 V
Low 4.5 < Battery Voltage Level < 5.5 V
18 R Position Solenoid Valve (ON/OFF) - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
20 Paddle Shift Switch "Down" Down Input 0 V/Battery Voltage Level
Other ON 9 V < Battery Voltage Level < 16 V
21 Paddle Shift Switch "Up" UP Input 0 V/Battery Voltage Level
Other ON 9 V < Battery Voltage Level < 16 V
22 Park Switch Signal S1 High Input 0 V / 4.5–5.5 V
Low 4.5 < Battery Voltage Level < 5.5 V
24 P/N Relay ON Output Approx. 1 V
OFF Battery Voltage Level
25 Transmission Fluid Temperature Sensor (+) - Input Maximum voltage level 5 V
26 Oil Temperature Sensor (-) - Input Minimum voltage level 0 V
31 Input Speed Sensor Signal - Pulse Input Low: approx. 0.7 V, High: 1.4 V
Maximum/Minimum Frequency:
9 kHz / 0 Hz
32 Output Speed Sensor Signal - Pulse Input Low: approx. 0.7 V, High: 1.4 V
Maximum/Minimum Frequency:
9 kHz / 0 Hz
45 D Position Solenoid Valve (ON/OFF) - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
54 P Position Solenoid Valve (ON/OFF) - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
55 Back-up Lamp Relay ON Output 0 V/Battery Voltage Level
OFF
56 Output Speed Sensor Power ON Output Approx. 9 V voltage level
OFF 0 V
58 Input Speed Sensor Power ON Output Approx. 9 V voltage level
OFF 0 V
65 Solenoid Power Supply 1 - Power Battery Voltage Level
(UD/K, 27/B, 8LR/B, D/K) 9 V < Battery Voltage Level < 16 V
66 Solenoid Power Supply 2 - Power Battery Voltage Level
(4&OD/K, 35R/K, 6/K, LP/P) 9 V < Battery Voltage Level < 16 V
67 Battery Charge ON Power 0 V/Battery Voltage Level
OFF 9 V < Battery Voltage Level < 16 V
68 Battery Charge ON Power 0 V/Battery Voltage Level
OFF 9 V < Battery Voltage Level < 16 V
70 Solenoid 3 Power Supply - Power Battery Voltage Level
(Solenoid ON/OFF) 9 V < Battery Voltage Level < 16 V
71 Ground - Ground 0 V (Ground Level)
72 Solenoid 4 Power Supply - Power Battery Voltage Level
(Solenoid ON/OFF) 9 V < Battery Voltage Level < 16 V
73 Ground - Ground 0 V (Ground Level)
74 Ground - Ground 0 V (Ground Level)

[Shift-by-Wire]

Pin Description Condition Input/Output Value
Type Level
1 Overdrive Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
2 Torque Converter Damper Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
3 27 Brake Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
5 6-Speed Torque Converter Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
7 Line Pressure Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
8 35R Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
9 4 and OD Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
10 8LR Brake Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
11 Manual Mode "Select" Select Input 0 V/Battery Voltage Level
Other ON 9 V < Battery Voltage Level < 16 V
12 Manual Mode "Up" UP Input 0 V/Battery Voltage Level
Other ON 9 V < Battery Voltage Level < 16 V
13 Manual Mode "Down" Down Input 0 V/Battery Voltage Level
Other ON 9 V < Battery Voltage Level < 16 V
14 Inhibitor Switch Signal S2 High Input 0 V / 4.5–5.5 V
Low 4.5 < Battery Voltage Level < 5.5 V
15 Inhibitor Switch Power (5 V) High Input 0 V / 4.5–5.5 V
Low 4.5 < Battery Voltage Level < 5.5 V
20 Paddle Shift Switch "Down" Down Input 0 V/Battery Voltage Level
Other ON 9 V < Battery Voltage Level < 16 V
21 Paddle Shift Switch "Up" UP Input 0 V/Battery Voltage Level
Other ON 9 V < Battery Voltage Level < 16 V
22 Inhibitor Switch Signal S1 High Input 0 V / 4.5–5.5 V
Low 4.5 < Battery Voltage Level < 5.5 V
24 P/N Relay ON Output Approx. 1 V
OFF Battery Voltage Level
25 Transmission Fluid Temperature Sensor (+) - Input Maximum voltage level 5 V
26 Oil Temperature Sensor (-) - Input Minimum voltage level 0 V
31 Input Speed Sensor Signal - Pulse Input Low: approx. 0.7 V, High: 1.4 V
Maximum/Minimum Frequency:
9 kHz / 0 Hz
32 Output Speed Sensor Signal - Pulse Input Low: approx. 0.7 V, High: 1.4 V
Maximum/Minimum Frequency:
9 kHz / 0 Hz
55 Back-up Lamp Relay ON Output 0 V/Battery Voltage Level
OFF
56 Output Speed Sensor Power ON Output Approx. 9 V voltage level
OFF 0 V
58 Input Speed Sensor Power ON Output Approx. 9 V voltage level
OFF 0 V
65 Solenoid Power Supply 1 - Power Battery Voltage Level
(UD/K, 27/B, 8LR/B, D/K) 9 V < Battery Voltage Level < 16 V
66 Solenoid Power Supply 2 - Power Battery Voltage Level
(4&OD/K, 35R/K, 6/K, LP/P) 9 V < Battery Voltage Level < 16 V
67 Battery Charge ON Power 0 V/Battery Voltage Level
OFF 9 V < Battery Voltage Level < 16 V
68 Battery Charge ON Power 0 V/Battery Voltage Level
OFF 9 V < Battery Voltage Level < 16 V
71 Ground - Ground 0 V (Ground Level)
72 Solenoid 4 Power Supply - Power Battery Voltage Level
(Solenoid ON/OFF) 9 V < Battery Voltage Level < 16 V
73 Ground - Ground 0 V (Ground Level)
74 Ground - Ground 0 V (Ground Level)

Repair Procedures

Inspection

  1. TCM Ground Circuit Inspection: Measure the resistance between the TCM and chassis ground. (Inspect the terminal connected to chassis ground at the rear of the harness connector as the check point on the TCM side.)

    Specification: Less than 1 ohm

  2. TCM Connector Inspection: Disconnect the TCM connector and visually inspect the ground terminals on the TCM side and harness side for bent pins or poor contact pressure.

  3. If the problem is not found in steps 1 and 2, the TCM may be faulty.

    If so, replace the TCM with a new one, then recheck the vehicle. If the vehicle operates normally, the problem was most likely caused by the TCM.

  4. Recheck the original TCM: Install the original (suspected faulty) TCM in a known good vehicle and check the vehicle. If the problem recurs, replace the original TCM with a new one.

    If the problem does not recur, the problem is intermittent and another part may be faulty.

Removal

  1. Perform the oil pressure characteristics backup procedure using KDS when replacing the TCM with a new one.

    1. Click "Backup and Input Oil Pressure Characteristics (TCU Replacement)".

    2. Check the condition and click the "OK" button.

    3. Click "Backup".

  2. Disconnect the TCM connector (A).

  3. Remove the TCM (A) after loosening the nuts.

    Tightening torque: 9.8–11.8 N·m

Installation

  1. Install in the reverse order of removal.

  2. Perform the oil pressure characteristics input procedure using KDS when replacing the TCM with a new one.

    1. Click "Backup and Input Oil Pressure Characteristics (TCU Replacement)".

    2. Check the condition and click the "OK" button.

    3. Click "Input".

    4. Click the "OK" button.

  3. Perform the TCM adaptive value learning procedure.

    (Refer to Automatic Transmission Control System - "Repair Procedures")

Test yourself

A quick Kia Stinger CK quiz: every answer comes with an explanation and a link to the manual page.