How should a Transmission Control Module be fitted and programmed on Volvo S40?

If a new control module is fitted, it has to be programmed on dedicated Volvo test equipment so it is advisable to trust this task to a Volvo dealer or suitably-equipped specialist. To start the removal, turn off the ignition and wait at least 2 minutes before disconnecting the battery negative lead to make sure that any remaining electrical energy has dissipated. If the cooling fan keeps on running even after turning off the ignition, wait until the fan stops and then wait for another minute before removing the battery lead. Next, remove the air cleaner assembly. The Transmission Control Module (TCM): Located on the top of the transmission casing, disconnect the wiring plugs from the TCM (take care to avoid touching the control module terminal pins with the bare hands to cause damage to the component from static electricity). Undo the retaining bracket screw and remove the bracket to the right hand side of TCM. For models whose transmission is TF-80SC, undo the 2 bolts and take off the cable guide next to the TCM. Then, undo 3 retaining bolts and lever retaining nut, pull the lever off the spindle and remove the TCM. For refitting, make sure to place the gear selector in the neutral position and also make sure that you locate the TCM in position while ensuring that the arrows on the lever spindle and the TCM casing match their position and refit the TCM retaining bolts and the retaining bracket, and make sure to tighten it securely. Refit the lever and tighten the retaining nut securely, refit the wiring plugs and refit the air cleaner assembly. At the last, reconnect the negative lead of the battery.

Genuine Volvo S40 Transmission Control Module

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4 Transmission Control Modules found

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Volvo S40 Transmission Controller Part Number: 30644070
$453.91 MSRP: $540.37
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Product Specifications
- Other Name: Control Unit; Transmission Control Module; Transmission Controller
- Warranty: This genuine part is guaranteed by Volvo's factory warranty.
Fits the following Vehicles:
- 2004 | Base, i, LSE, T5 | 4 Cyl 1.9 L GAS, 5 Cyl 2.4 L GAS, 5 Cyl 2.5 L GAS
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Volvo S40 Transmission Controller Part Number: 30613923
$575.87 MSRP: $685.56
You Save: $109.69 (16%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Unit; Transmission Control Module; Transmission Controller
- Warranty: This genuine part is guaranteed by Volvo's factory warranty.
Fits the following Vehicles:
- 2000 | Base | 4 Cyl 1.9 L GAS
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Volvo S40 Transmission Controller Part Number: 30613989
$575.87 MSRP: $685.56
You Save: $109.69 (16%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Unit; Transmission Control Module; Transmission Controller
- Warranty: This genuine part is guaranteed by Volvo's factory warranty.
Fits the following Vehicles:
- 2001-2003 | Base | 4 Cyl 1.9 L GAS
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Volvo S40 Transmission Controller Part Number: 30735596
$850.63 MSRP: $1126.36
You Save: $275.73 (25%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Unit; Transmission Control Module; Transmission Controller
- Warranty: This genuine part is guaranteed by Volvo's factory warranty.
Fits the following Vehicles:
- 2005-2011 | 2.4i, i, T5, T5 R-Design | 5 Cyl 2.4 L GAS, 5 Cyl 2.5 L GAS

Volvo S40 Transmission Control Module

The Volvo S40 Transmission Control Module is a mini electronic brain that is in charge of determining when the gearbox should change, at which point the car will accelerate more smoothly, reduce fuel consumption, and extend the lifespan of the drivetrain. Located next to the engine control unit, the module receives live feedback from speed, throttle, and temperature sensors, compares the values with those provided by the ECU, and in real time selects the highly appropriate gear ratio, thus each upshift or downshift is aligned to the current driving requirements in a Volvo. In automatic models of the S40 it controls the entire gear change sequence, whereas in semi-automatic models it centers on clutch actuation, allowing drivers to have the feel of driving in a manual way without the use of a pedal. Early models and subsequent re-architected models perform the same fundamental task, only with the TCM capable of handling more sensor inputs or doing so much faster, with more recent hardware capable of computing shift maps faster to allow much finer control and smoother transitions. No matter the generation, every Transmission Control Module retains its own strategy and thus gains knowledge from sensor feedback, maintaining performance, economy, and ride quality at a steady level, which means Volvo drivers won't jerk on steep hills and will have more stable cruising revs on long highways. The failure of the Transmission Control Module may activate limp home mode, which limits the choice of gears, and it is crucial to identify the issue with the Transmission Control Module in a timely manner to ensure full functionality of the entire Volvo drivetrain.

OEM parts are the only choice for top quality and real functionality. They pass strict checks, and they match Volvo's factory specs, so installation is easy. If you need new Transmission Control Module and you want quality and fit. You will find both here. Our site has a wide range of OEM Volvo S40 parts. The prices are unbeatable, allowing you to get value for money. Each genuine S40 Transmission Control Module comes with the manufacturer's warranty. That gives you peace of mind. We ship fast to your door. Order today, and enjoy a smooth, no-hassle upgrade with parts that fit right.

Volvo S40 Transmission Control Module Parts and Q&A

Transmission Controller
30613923
Q: How should a Transmission Control Module be fitted and programmed on Volvo S40?
A:
If a new control module is fitted, it has to be programmed on dedicated Volvo test equipment so it is advisable to trust this task to a Volvo dealer or suitably-equipped specialist. To start the removal, turn off the ignition and wait at least 2 minutes before disconnecting the battery negative lead to make sure that any remaining electrical energy has dissipated. If the cooling fan keeps on running even after turning off the ignition, wait until the fan stops and then wait for another minute before removing the battery lead. Next, remove the air cleaner assembly. The Transmission Control Module (TCM): Located on the top of the transmission casing, disconnect the wiring plugs from the TCM (take care to avoid touching the control module terminal pins with the bare hands to cause damage to the component from static electricity). Undo the retaining bracket screw and remove the bracket to the right hand side of TCM. For models whose transmission is TF-80SC, undo the 2 bolts and take off the cable guide next to the TCM. Then, undo 3 retaining bolts and lever retaining nut, pull the lever off the spindle and remove the TCM. For refitting, make sure to place the gear selector in the neutral position and also make sure that you locate the TCM in position while ensuring that the arrows on the lever spindle and the TCM casing match their position and refit the TCM retaining bolts and the retaining bracket, and make sure to tighten it securely. Refit the lever and tighten the retaining nut securely, refit the wiring plugs and refit the air cleaner assembly. At the last, reconnect the negative lead of the battery.