WebThe P0641 code is a diagnostic trouble code that refers to “Sensor Reference Voltage ‘A’ Circuit Open”. It denotes a very particular voltage issue inside the 5-volt reference circuit, which may be a sign of a problem with the entire electronic system. WebP0641 code in my 2008 chevy silverado. Source: www.ebay.com. 2008 silverado 1500) opens in a new window or tab. Get access all wiring diagrams car. Source: www.ebay.com. 2008 silverado 1500) opens in a new window or tab. Choose below from new or rebuilt engine control modules (ecms) / powertrain control modules (pcms);
P0641 Trouble Code GM vehicles? (Solut…
WebJun 7, 2014 · The PCM monitors the voltage on the 5-volt reference circuit. If the voltage is out of tolerance, the PCM will set DTC P0641. • DTCs P0601, P0602, P0604, P0606, P1621, and P2610 are not set. • The ignition is in unlock, accessory, run, or crank mode. • The ignition voltage is greater than 5.2 volts. Web What Does the P0641 Code Mean? The control module has 2 internal 5-volt reference buses called "5-volt reference 1" and"5-volt reference 2". Each reference bus provided 5 … historical returns treasury bonds
What is P0641 code and How to fix it. Thnx - AutoCodes
WebAug 30, 2024 · The generic code p0641 means there's a problem somewhere in that circuit, but it doesn't really pin point the specific sensor. ... DeeZee Bed Mat, (-) Airdam, Tow Hooks, Towing Starcraft AR One 18QB TT, 1955 Chevrolet Bel Air 283 V8 3 Spd. Manual, 2002 Pontiac Trans Am 5.7L V8 6 Spd. Manual, Ported TB, underdrive pulleys, LT headers, … WebJan 6, 2011 · The manifold absolute pressure (MAP) sensor The fuel tank pressure (FTP) sensor The air conditioning (A/C) refrigerant pressure sensor The accelerator pedal position (APP) sensor 2 The engine oil pressure (EOP) sensor The camshaft position (CMP) sensor Related Chevy Questions Frank@AutoPro satisfied customers Expert satisfied customers … WebAug 6, 2015 · There were a lot of codes stored but the only one of real relevance was Code P0641 Symptom 00, 5 volt reference circuit 1. I looked at data under the TAC section of the PCM and found the circuit reading fluctuating between 0 and 5 volts. While the 5 volt reference circuit 2 was rock steady. historical returns s\u0026p 500