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Vauxhall P1482 fault code: meaning and solution

Delphi Delco Multec HSFI-2.x / HDRC - ECUs
Delphi Delco Multec HSFI-2.x / HDRC

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Several Vauxhall models may experience fault code P1482. This fault code refers to a problem with the communication between the engine control unit (ECU) and the fan control. Namely, the description of this fault code is "Fan Relay 2 Signal Low / Open Circuit". This can lead to overheating and potentially serious engine damage if the problem is not addressed. Overhauling Delphi Delco Multec HSFI-2.x or HDRC ECU jan provide an effective solution to this problem.

Relevant Vauxhall models

The fault code P1482 often occurs on the following Vauxhall models:

Symptoms for Vauxhall fault code P1482

When fault code P1482 occurs, the following symptoms may be observed:

  • The cooling fan does not run or operates erratically
  • The engine overheats, especially when braking and accelerating frequently
  • The indicator light (MIL) illuminates
  • Reduced engine power
  • Error codes related to other electrical systems, caused by overloading

Tip: check the wiring. We often see that this problem can be caused by a faulty wire between the ECU and the cooling fan control relay.

Advice for troubleshooting this fault code

With fault code P1482, the problem often lies with the ECU, which is responsible for controlling the cooling fan. Revision of the Delphi Delco Multec HSFI-2.x and HDRC can provide a solution. ACTRONICS offers an effective overhaul solution for the Delphi Delco Multec HSFI-2.x / HDRC, whereby the ECU is thoroughly tested and fitted with new components to ensure long life and reliable operation. In addition, during the overhaul, known weak points are addressed as a precaution, significantly improving the ECU's reliability. Still have questions? If so, feel free to contact us!