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Home/DTC Codes/Aston Martin/DB9/2004-2016 6.0L V12/C0146
C0146

Brake Assist Solenoid Circuit

2004-2016 Aston Martin DB9 6.0L V12

High SeverityChassisGeneric (SAE)

Description

Malfunction in the brake assist solenoid that provides additional brake pressure during emergency stops.

Symptoms

  • Brake assist inactive
  • Warning light for brake assist
  • Longer stopping distance in emergencies

Common Causes

  • Faulty brake assist solenoid
  • Solenoid wiring open or shorted
  • Module driver failure
  • Solenoid mechanically stuck

Diagnostic Steps

  1. Test solenoid resistance
  2. Check wiring to solenoid
  3. Command solenoid with scan tool
  4. Inspect for mechanical binding
  5. Test module output signal

Repair Notes

Replace brake assist solenoid or repair wiring.

Related Codes

C0085Brake Pressure Sensor CircuitC0145Brake Assist System Malfunction

Other Chassis Codes

C0146 on Other Vehicles

Aston Martin DB11

2016-2024 4.0L V8 Twin Turbo

Aston Martin DB11

2016-2024 5.2L V12 Twin Turbo

Aston Martin DB7

1994-2003 3.2L I6 Supercharged

Aston Martin DBS Superleggera

2019-2024 5.2L V12 Twin Turbo

Aston Martin DBX

2020-2024 4.0L V8 Twin Turbo

Aston Martin Vantage

2005-2024 4.7L V8

Aston Martin Vantage

2018-2024 4.0L V8 Twin Turbo

Common Questions

What does code C0146 mean on a 2004-2016 Aston Martin DB9?

C0146 stands for "Brake Assist Solenoid Circuit". Malfunction in the brake assist solenoid that provides additional brake pressure during emergency stops.

What are the symptoms of C0146 on a Aston Martin DB9?

Common symptoms of C0146 include: Brake assist inactive, Warning light for brake assist, Longer stopping distance in emergencies.

What causes C0146 on a 2004-2016 Aston Martin DB9?

Common causes of C0146 include: Faulty brake assist solenoid, Solenoid wiring open or shorted, Module driver failure, Solenoid mechanically stuck.

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