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P0655 Engine Hot Lamp Output Control Circuit Malfunction
P0655 code definition A P0655 code means that the powertrain control module (PCM) has detected that there is an abnormal voltage reading coming from the engine hot lamp output circuit. What...
P0654 OBD-II Trouble Code: Engine RPM Output Circuit Malfunction
P0654 code definition The P0654 code is stored when the PCM detects a voltage reading from the engine RPM output circuit that does not align with the acceptable range as determined...
P0652 Sensor Reference Voltage “B” Circuit Low
P0652 code definition A P0652 code means that a malfunction has been identified in the sensor reference voltage "B" circuit, and this has most likely been done by the powertrain control...
P0643 OBD-II Trouble Code: Sensor Reference Voltage “A” Circuit High
P0643 code definition The P0643 code is stored in the PCM when a fault is detected in the sensor reference voltage A circuit. What the P0643 code means The sensor reference...
P0638 OBD-II Trouble Code: Throttle Actuator Control Range/Performance (Bank 1)
P0638 code definition This diagnostic power train code represents a problem happening with the vehicle’s throttle actuator control range in bank one. What the P0638 code means In many newer model...
P0634 PCM/ECM/TCM Internal Temperature Too High
P0634 code definition The P0634 code is triggered when a control module detects internal temperatures that greatly exceed the manufacturer's levels, and which are thought to be disastrous. What the P0634...
P0633 Immobilizer Key Not Programmed – ECM/PCM
P0633 code definition The P0633 code is triggered when the vehicle's PCM (Powertrain Control Module) or ECM (Engine Control Module) is unable to recognize the immobilizer key. What the P0633...
P0628 OBD-II Trouble Code: Fuel Pump “A” Control Circuit Low
P0628 code definition If the PCM (powertrain control module) or one of its supporting control modules (e.g., antilock brake control module, fuel injection control module, cruise control module, etc.) detects a...
P0627 OBD-II Trouble Code: Fuel Pump “A” Control Circuit /Open
P0627 code definition The P0627 code is stored where there is a malfunction detected within the fuel pump A control circuit. This malfunction may have been detected by the PCM, or...
P0624 Fuel Cap Lamp Control Circuit
P0624 code definition The P0624 code indicates that there is a problem in the fuel cap lamp control circuit. What the P0624 code means The P0624 is an OBD-II generic code...
P0622 OBD-II Trouble Code: Generator Field "F" Control Circuit Malfunction
P0622 code definition This code is defined as the generator field “F” control circuit malfunctioning. What the P0622 code means When the PCM (powertrain control module) logs a P0622 trouble code,...
P0617 OBD-II Trouble Code: Starter Relay Circuit High
P0617 code definition The P0617 code indicates that there has been an abnormally high voltage reading detected by the PCM from the starter relay circuit. What the P0617 code means The...
P0615 OBD-II Trouble Code: Starter Relay Circuit
P0615 code definition The PCM (powertrain control module) will store a P0615 code when it detects a voltage reading from the starter relay circuit that is out of range of the...
P0611 OBD-II Trouble Code: Fuel Injector Control Module Performance
Code definition If the P0611 OBD-II trouble code appears, it means that there is an issue with the fuel injector control module. What the P0611 code means When the powertrain control...
P0610 OBD-II Trouble Code: Control Module Vehicle Options Error
P0610 code definition When the PCM (powertrain control module) or one of its supporting control modules detects a control module vehicle option error, it will detect and record a P0610 code....
P0599 OBD-II Trouble Code: Thermostat Heater Control Circuit High
P0599 code definition The P0599 code is stored when the PCM detects an abnormally high voltage reading from the thermostat heater unit. What the P0599 code means The thermostat heater...
P0597 OBD-II Trouble Code: Thermostat Heater Control Circuit/Open
P0597 code definition The P0597 trouble code signifies that a thermostat heater control circuit is open. What the P0597 code means If a PCM (Powertrain Control Module) stores this code, it’s...
P0581 OBD-II Trouble Code: Cruise Control Multi-Function Input "A" Circuit High
P0581 code definition The P0581 code indicates that the PCM has detected a malfunction in the electrical components of the cruise control multi-function input circuit. What the P0581 code means In...
P0578 OBD-II Trouble Code: Cruise Control Multi-Function Input "A" Circuit Stuck
P0578 code definition The P0578 code is detected in instances where the PCM registered a malfunction with the cruise control multi-function input circuit. What the P0578 code means In order to...
P0569 OBD-II Trouble Code: Cruise Control Coast Signal Malfunction
P0569 code definition The P0569 code indicates that the PCM detected a malfunction with the “Coast” command in the cruise control system. What the P0569 code means When the cruise control...
Cruise Control Multi-Function Input "A" Circuit Diagnostic Trouble Code (DTC): P0564
P0564 code definition The P0564 code means that the powertrain control module (PCM) has identified an electrical fault in the cruise control multi-function input circuit. What the P0564 code means The...
P0562 OBD-II: System Voltage Low Diagnostic Trouble Code (DTC): P0562
P0562 code definition The P0562 code is stored when the PCM (powertrain control module) detects a vehicle voltage that is lower than requested. If the vehicle voltage level dips below 10.0...
P0551 OBD-II Trouble Code: Power Steering Pressure Sensor Circuit Range/Performance
P0551 code definition The definition of the P0551 trouble code is that the power steering pressure sensor circuit range/performance is compromised or malfunctioning. What the P0551 code means When this code...
P0548 Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 1 Diagnostic Trouble Code (DTC): P0548
P0548 code definition The P0548 code occurs when the powertrain control module has sensed some sort of fault in the exhaust gas temperature sensor circuit. What the P0548 code means A...
P0545 Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1
P0545 code definition The P0545 code means that the powertrain control module or PCM has triggered the code because it detects a fault in the exhaust system gas temperature sensor circuit....