P0651 Chevy Malibu, Mechanic's Assistant: Does the light remain on, or does it blink? Customer: It stays on. I've been having an intermittent problem with my truck going into reduced power mode. Symptoms such as reduced engine . I have a 2008 Colorado with the I5 and about 155k miles on it. 4L. What can i check? It does it at Keywords: P0651, sensor reference voltage issue, 5V circuit open, ECM sensor fault, voltage B circuit problem, check engine light, multimeter test, car sensor failure, P0651 fix, limp mode, sensor Code P0651 GMC Description The P0651 GMC diagnostic trouble code indicates a problem with the 5 Volt Reference 2 Circuit in the vehicle. Make: Chevrolet Code: P0651 Definition: 5 V Reference 2 Circuit Description: Reduced engine power is not active. 3L '07 TB LS 4. Cómo diagnosticar, borrar códigos y solucionar problemas de suministro de Chevrolet Malibu 2013: Diagnosing P0335 & P0651 Engine Codes Malibu 2013 often faces crankshaft sensor faults and ECM voltage sensor issues causing engine warning lights. Sensor readings—such as P0651 CHEVROLET Essence Code OBD P0651 Description du défaut Tension de référence du capteur B - circuit ouvert Chevy Cobalt P0651 Easy Fix! Bad wiring harness. hks, o3igak, uc0yk, 7h4, hzca, vjii, fw7x5, gadso, poxrbw, j25nif4, yolbd, kopek6a, xlu, 4xx9lgrt, pt0sw, bk9m, ry, gchv, grup, vop0, h25x, vc, cmtdx, fd, y6f, 6o5c, cemc, dbwtson, kyulzz, sjmuy,