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Home/DTC Codes/Volkswagen/Pointer/1998-2008 1.8L I4/B0421
B0421

ABS Warning Lamp Circuit

1998-2008 Volkswagen Pointer 1.8L I4 🇦🇺

Moderate SeverityBody

Description

Malfunction in the ABS warning lamp circuit. The lamp may not illuminate or may stay on incorrectly.

Symptoms

  • ABS light does not come on during bulb check
  • ABS light always on
  • Cannot determine ABS system status
  • Light flickering

Common Causes

  • Burnt out lamp
  • Cluster fault
  • ABS module lamp driver failure
  • Wiring issue

Diagnostic Steps

  1. Check lamp during key-on bulb check
  2. Scan ABS module for codes
  3. Test lamp drive circuit
  4. Inspect wiring from ABS module to cluster

Repair Notes

Replace ABS warning lamp or repair wiring circuit.

Related Codes

B0400Instrument Cluster General MalfunctionB0420Check Engine Lamp Circuit

Other Body Codes

B0421 on Other Vehicles

Volkswagen Amarok BR

2010-2025 2.0L I4 TDI Diesel

Volkswagen Amarok BR

2018-2025 3.0L V6 TDI Diesel

Volkswagen Arteon

2019-2024 2.0L Turbo I4

Volkswagen Atlas

2018-2024 2.0L Turbo I4

Volkswagen Atlas

2018-2024 3.6L V6

Volkswagen Atlas Cross Sport

2020-2024 2.0L Turbo I4

Volkswagen Atlas Cross Sport

2020-2024 3.6L V6

Volkswagen Beetle

2012-2019 2.0L Turbo I4

Common Questions

What does code B0421 mean on a 1998-2008 Volkswagen Pointer?

B0421 stands for "ABS Warning Lamp Circuit". Malfunction in the ABS warning lamp circuit. The lamp may not illuminate or may stay on incorrectly.

What are the symptoms of B0421 on a Volkswagen Pointer?

Common symptoms of B0421 include: ABS light does not come on during bulb check, ABS light always on, Cannot determine ABS system status, Light flickering.

What causes B0421 on a 1998-2008 Volkswagen Pointer?

Common causes of B0421 include: Burnt out lamp, Cluster fault, ABS module lamp driver failure, Wiring issue.

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