Fault code lookup

BodyB1503

Caution

Severity: Caution - get it checked when you can

Brake pedal angle signal voltage is high

27 brands affected · Description from Toyota data.

Key terms: Control module: a small computer that runs one part of the car

Safety: This code relates to the braking system. Have braking checked promptly.

1What it means in plain English

The brake pedal angle signal is higher than expected, so brake assistance or the brake-light signal may not work as intended.

2Common causes

  1. Faulty brake pedal position sensor
  2. Damaged wiring or connector
  3. Brake pedal travel or pedal stop problem
  4. Misadjusted brake light switch
  5. Body control module fault

3Can I drive?

Caution · drive with care

Braking may be affected or the brake lights may not work. Have it checked promptly; if the pedal feels abnormal or the brake lights do not come on, do not drive.

This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.

4Brand data 27

BrandCodeDescriptionSystem
Ashok Leyland CVB1503Air/Fuel Ratio. Balance Of Cylinder 8 BrandBody
Mercedes-BenzB1503No description available Body
BYDB1503RR curtain ABG squib SHT. to BAT BrandBody
CheryB1503PIN code not write in BrandBody
DaewooB1503No description available Body
DaihatsuB1503Exhaust heat recovery warning BrandBody
DFFSB1503Brake pedal angle signal voltage is high BrandBody
DFFXB1503RR curtain ABG squib SHT. to BAT BrandBody
GeelyB1503RR curtain ABG squib SHT. to BAT BrandBody
GMB1503No description available Body
Great WallB1503RR curtain ABG squib SHT. to BAT BrandBody
HafeiB1503RR curtain ABG squib SHT. to BAT BrandBody
HoldenB1503Ambient Light Sensor Circuit BrandBody
HyundaiB1503No description available Body
IsuzuB1503No description available Body
Land RoverB1503No description available Body
MitsubishiB1503RR curtain ABG squib SHT. to BAT BrandBody
OpelB1503No description available Body
PeroduaB1503Exhaust heat recovery warning BrandBody
PeugeotB1503No description available Body
ProtonB1503RR curtain ABG squib SHT. to BAT BrandBody
SaabB1503No description available Body
MG (SAIC)B1503EEPROM INT READ Fault BrandBody
SprinterB1503No description available Body
SubaruB1503No description available Body
SuzukiB1503Evaporator temperature sensor and/or its circuit malfunction BrandBody
ToyotaB1503Brake pedal angle signal voltage is high BrandBody

Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.

5Extended variant codes 2

These 7-character codes are manufacturer-specific variants of B1503 and may be reported by some scan tools.

BrandCodeDescriptionSystem
Mercedes-BenzB150300The production mode for filling the coolant circuit is activated. BrandBody
MahindraB150300FR Door Handle Retract Switch Failed BrandBody

6Related codes

Browse Bxxx codes or B150xx codes.

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