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.
Heater blower resistor for climate control Opel Vectra C Signum
Vendors's code:
Product code: 2961
Barcode:
Code 39:
ISBN:
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Does this resistor fit a Vectra C or Signum with climate control?
This is a used, working heater blower resistor for the Opel Vectra C and Signum with automatic climate control. The listing gives no part number, so the match is based on the model and the type of air conditioning.
Heater blower resistor for climate control Opel Vectra C Signum
A used heater blower resistor taken from an Opel Vectra C or Signum with automatic climate control. It works and is in good condition.
Listing details
- Opel Vectra C, Signum - model
- automatic climate control - air conditioning version
What it does
The resistor sets the speed of the heater blower, so a fault usually shows as weak or missing airflow in the cabin.
Signs of a fault
- the blower works only on some speeds,
- airflow only on the highest setting,
- no airflow even though the blower motor is fine,
- a burning smell near the vents.
Check the fuse, the connector and the blower motor first, as their faults look similar.
Questions and answers
| What condition is the part in? |
|---|
| It is used, working and in good condition, with a 6-month warranty. |
| There is no part number. How do I check the fit? |
| Compare the model and the type of climate control, or send us a photo of your part and its connector. |
Write to contact@auto24parts.com with your model, year and air conditioning type and we will check the fit.