GMC P0703 Brake Light Switch Plausibility

Description

OBD-II Trouble Code Description for P0703 GMC

Brake Switch “B” Circuit

What does this mean?

OBD2 Code P0703 GM definition:
Engine Control Module (ECM) detected accelerations and decelerations with no brake switch change

Symptoms

Possible sumptoms of OBD code P0703 GM
– Engine Light ON (or Service Engine Soon Warning Light) – Brake lights inoperative

Causes

Possible causes of OBD code P0703 GM
– Open or short brake switch circuit – Poor brake switch connection – Misadjusted brake switch – Damaged brake switch

Possible Solutions

Check if the stop light works with the brake pedal, if the brake lights are inoperative, replaced or adjust the brake switch.


The OBD2 Code Information Be Applicable For GMC:

2013 GMC Terrain Denali,2013 GMC Acadia,2011 GMC Sierra All Terrain HD Concept,2010 GMC Terrain,2010 GMC Granite Concept,2009 GMC Sierra Hybrid Crew Cab,2008 GMC Yukon Hybrid,2008 GMC Denali XT Concept,2007 GMC Yukon XL,2007 GMC Yukon Denali,2007 GMC Yukon,2007 GMC Sierra Denali,2007 GMC Sierra Classic,2007 GMC Sierra 3500 HD SLT Crew Cab,2007 GMC Sierra 2500 HD SLT Extended Cab,2007 GMC Sierra,2007 GMC Acadia,2005 GMC Sierra Denali 1500 Crew Cab,2005 GMC Graphyte Concept,2005 GMC Envoy XL Denali,2005 GMC Envoy Denali

Note:

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