For Shop Owners

P0703 - Brake Switch Performance

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3 What does this mean?

Possible causes

  • Faulty Brake Switch
  • Misadjusted Brake Switch
  • Brake Switch harness is open or shorted
  • Brake Switch circuit poor electrical connection
What does this mean?

Tech notes

Check if the stop light works with the brake pedal, if the brake lights are inoperative, replaced or adjust the brake switch.
What does this mean?

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Brake lights inoperative

P0703 Description

Engine Control Module (ECM) detected accelerations and decelerations with no brake switch change
OBDII Code P0703 - Brake Switch Performance -

P0703 Information for specific makes

P0703 BMW Brake Light Switch Plausibility
P0703 CHRYSLER Brake Switch Performance
P0703 DODGE Brake Switch Performance
P0703 FORD Brake Switch Performance
P0703 HYUNDAI Stop Lamp Switch System Malfunction
P0703 INFINITI Stop Lamp Swich Circuit
P0703 JEEP Brake Switch Performance
P0703 KIA Stop Lamp Switch System Malfunction
P0703 MAZDA Brake Switch 1 Circuit Malfunction
P0703 MERCEDES-BENZ Brake Switch Performance
P0703 MINI Brake Light Switch Plausibility
P0703 MITSUBISHI Stop Lamp Switch System Malfunction
P0703 NISSAN Stop Lamp Swich Circuit
P0703 SUBARU Torque Converter Brake Switch B Circuit Malfunction
P0703 SUZUKI Brake Switch Circuit Malfunction
P0703 VOLKSWAGEN Torque Converter Brake Switch B Circuit Malfunction

Need more help?

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P0703 Comments

Help us improve Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P0703 code? Have you replaced any parts?
Any information is appreciated. Thanks
Repair Importance Level: 3
1=Low 2=Medium 3=High
Repair Difficulty Level: 2
1=Easy 2=Moderate 3=Hard

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Ford F150 1998 Ford F150
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Posted and Edit by 05-08-2017

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