A faulty transmission control module (TCM) most often causes limp mode with the gearbox stuck in one gear, harsh jolts when you select D or R, erratic gear changes, flashing PRND letters and a gearbox or engine warning light. However, the same symptoms are often caused by a low gearbox oil level, a weak battery, a poor earth or a faulty sensor. To test a transmission control module, start by checking the battery and reading the fault codes with a diagnostic tool that can talk to the gearbox control unit, then check the power supply, the connector, the oil and the live data. Below we explain the symptoms, the diagnostic steps and what the most common fault codes mean.
Comfort control module Volvo 30682664 08688513
Vendors's code: 30682664
Product code: 30682664
Barcode:
Code 39:
ISBN:
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Looking for a part for Volvo?
Used, working part: comfort control module for Volvo - numbers 30682664; 08688513. Compare the numbers with the label of the part currently in your car.
Comfort control module Volvo
The part in this listing handles body electronics in: Volvo. Choose it by the numbers on the list. It is used, working and in good condition.
Which car it is for
- Volvo - model
Part markings
- 30682664 - part number
- 08688513 - additional part number
What a fault looks like
- the module connector shows signs of corrosion,
- cabin illumination or signalling does not work,
- locks and windows behave inconsistently,
- fault messages appear after starting.
It is worth reading the fault codes first, because many body faults come from switches or wiring rather than the module itself.
How this part works
The module is not universal - the same name covers different versions depending on equipment, year and the market where the car was sold.
How to choose the part
For this model we offer several parts that differ in their numbers. The number on the label decides, not the model name alone.
Questions and answers
| Do you also sell connectors or wiring? |
|---|
| This listing covers only the part described in the title. You will find other items in the remaining shop categories, or ask us about availability. |
| Where can I find the number on the part? |
| The number is on the label or housing, usually visible after removing the part from the car. If you cannot read it, send us a photo. |
Send fitment questions to contact@auto24parts.com - give the model, year and the number from the label.