Not starting, could it be the BSI box?

Tiny
CARLOS GARY
  • MEMBER
  • 2010 PEUGEOT 207
  • 1.4L
  • 2WD
  • MANUAL
  • 70,000 MILES
Car doesn't start and keeps coming up with faults. I was told could be the BSI box.
Thursday, August 3rd, 2023 AT 12:52 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,883 POSTS
The BSI (Body Systems Interface) box, also known as the BSM (Built-in Systems Interface) box, is an important component in Peugeot vehicles. It is responsible for controlling various electrical functions in the car, such as lighting, windows, central locking, and more. If the BSI box is malfunctioning or experiencing issues, it can indeed cause various faults in the car, including starting problems.

However, before concluding that the BSI box is the culprit, it is essential to diagnose the issue properly. There could be several reasons why the car doesn't start and is displaying faults. Here are some steps you can take to troubleshoot the problem:

Check the battery: Ensure that the battery is fully charged and in good condition. Weak or dead batteries can cause starting issues.

Inspect the fuses: Check the car's fuses to see if any of them are blown. A blown fuse can lead to electrical malfunctions.

Scan for error codes: Use an OBD-II scanner to retrieve any error codes stored in the car's computer system. This can provide valuable information about the specific faults.

Test the starter and alternator: The starter motor and alternator are essential components for starting the engine and charging the battery. Have them tested to ensure they are working correctly.

Check the ignition system: Issues with the ignition system, such as faulty ignition coils or spark plugs, can prevent the car from starting.
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Thursday, August 3rd, 2023 AT 4:42 PM

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