P0703

P0703 - Brake Switch Performance

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Possible causes

- Open or short brake switch circuit
- Poor brake switch connection
- Misadjusted brake switch
- Damaged brake switch

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

P0703 Information for specific makes

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