P0651 code Jul 3, 2023 路 The following car models are the most commonly affected by the P0651 code: Chevy Cobalt: The Chevy Cobalt may be exposed to the P0651 code due to a problem with the engine control module (ECM) and the problem may be related to a faulty electrical connection or damaged wiring. com Feb 25, 2017 路 Learn what P0651 code means, what causes it, and how to troubleshoot it. Oct 29, 2024 路 Quickly diagnosing and fixing a P0651 code is crucial to avoid more serious engine and transmission problems, which could lead to expensive repairs. To fix the p0651 fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion. Find out which sensors are affected by the open circuit and how to test the wiring and connectors. Toyota Camry: The P0651 code is also a common issue in Toyota Camry See full list on obd-codes. May 2, 2019 路 Code P0651 Information for Specific Makes. If the PCM discovers a potential problem with this reference signal or if it doesn’t receive an input signal from one of the engine sensors, it will set the P0651 code. Understanding the causes of the P0651 code is essential for fixing issues with your car’s sensor reference voltage B circuit. Causes of P0651 Code. To fix the automobile fault code P0651, start by checking the possible causes mentioned above. Aug 17, 2023 路 Code P0651 sets if the PCM detects a potential issue with its 5-volt reference signal. P0651 Acura Sensor Reference Voltage 'B' Circuit Malfunction P0651 Audi Sensor Reference Voltage 'B' Circuit Open; P0651 Buick 5 Volt Reference 2 Circuit P0651 Cadillac 5 Volt Reference 2 Circuit P0651 Chevrolet 5 Volt Reference 2 Circuit. The P0651 fault code is typically accompanied by more specific sensor codes. Fixing Code P0651: Simple Steps To Resolve The Issue.