P0813 GMC Reverse Output Circuit

P0813 GMC Reverse Output Circuit

Possible causes
– Faulty Reverse Input Switch
– Reverse Input Switch harness is open or shorted
– Reverse Input Switch circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
GMC Vehicle:GMC Acadia,GMC Canyon,GMC Envoy,GMC Savana 1500,GMC Savana 2500,GMC Savana 3500,GMC Sierra 1500,GMC Sierra 2500 HD,GMC Sierra 3500 HD,GMC Terrain,GMC Yukon,GMC Yukon XL 1500,GMC Yukon XL 2500,
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