00526

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Table Of Contents

1. 00526 - Brake Light Switch (F)
- 1.1.1 00526 - Brake Light Switch (F): Circuit Malfunction
  - 1.1.1.2 Possible Symptoms
  - 1.1.2.2 Possible Causes
  - 1.1.3.2 Possible Solutions
  - 1.1.4.2 Special Notes
- 1.2.1 00526 - Brake Light Switch (F): Implausible Signal
  - 1.2.1.7 Possible Causes
  - 1.2.2.7 Possible Solutions
  - 1.2.3.7 Special Notes

00526 - Brake Light Switch (F)

00526 - Brake Light Switch (F): Circuit Malfunction

Possible Symptoms

MIL (Malfunction Indicator Light)
No Brake Lights

Possible Causes

Wiring and/or connections faulty between Brake Switch, Brake Lights and/or ABS Controle Module
Brake Light Switch (F) damaged
Brake Light faulty
Fuse(s) faulty

Possible Solutions

Check wiring and connections
Replace Brake Light Switch (F)
Check / Replace fuses(s)
Check / Replace Brake Lights
Check Brake Light Switch (F) in ABS Measuring Block

Special Notes

FAQ 2.7. Many Automatic Transmission Control Modules will show a DTC 00526 or 17087 that indicates a faulty brake light switch. This can be ignored and will not appear if you press the brakes once before checking for Fault Codes.

00526 - Brake Light Switch (F): Implausible Signal

Possible Causes

Wiring/Connectors from/to Brake Light Switch (F) faulty
Brake Light Switch (F) faulty

Possible Solutions

Check/Repair Wiring/Connectors from/to Brake Light Switch (F)
Check/Replace Brake Light Switch (F)
- Check Measuring Value Blocks (MVB)

Special Notes

FAQ 2.7. Many Automatic Transmission Control Modules will show a DTC 00526 or 17087 that indicates a faulty brake light switch. This can be ignored and will not appear if you press the brakes once before checking for Fault Codes.

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