Description OBD-II Trouble Code Description for P0263 GMC Cylinder 1 Contribution/Balance What does this mean? OBD2 Code P0263 GM definition: Code P0263 GM is triggered when the Power Train Control Module (PCM) detects that the acceleration rate of the crankshaft for Cylinder #1 was less than a calibrated amount. During normal conditions the PCM turns…
Category: GMC
GMC P0261 Fuel Injector 1 Circuit Low
Description OBD-II Trouble Code Description for P0261 GMC Cylinder 1 Injector Circuit Low What does this mean? OBD2 Code P0261 GM definition: Code P0261 GM is triggered when the Power Train Control Module (PCM) detects a low voltage in the Fuel Injector #1 Circuit. During normal conditions the PCM turns the Fuel Injectors ON and…
GMC P0259 Injection Pump Fuel Metering Control B High (Camshaft / Rotor / Injector)
Description OBD-II Trouble Code Description for P0259 GMC Injection Pump Fuel Metering Control “B” High (Cam/Rotor/Injector) What does this mean? OBD2 Code P0259 GM definition: The ECM detects a discrepancy between the Pulse-Width Modulation (PWM) supplied to the Electronic Fuel Control Actuator (FCA) and the PWM returned from the Electronic Fuel Control Actuator (FCA). Symptoms…
GMC P0260 Injection Pump Fuel Metering Control B Intermittent (Camshaft / Rotor / Injector)
Description OBD-II Trouble Code Description for P0260 GMC Injection Pump Fuel Metering Control “B” Intermittent (Cam/Rotor/Injector) What does this mean? OBD2 Code P0260 GM definition: The ECM detects a discrepancy between the Pulse-Width Modulation (PWM) supplied to the Electronic Fuel Control Actuator (FCA) and the PWM returned from the Electronic Fuel Control Actuator (FCA). Symptoms…
GMC P0258 Injection Pump Fuel Metering Control B Low
Description OBD-II Trouble Code Description for P0258 GMC Injection Pump Fuel Metering Control “B” Low (Cam/Rotor/Injector) What does this mean? OBD2 Code P0258 GM definition: The ECM detects a discrepancy between the Pulse-Width Modulation (PWM) supplied to the Electronic Fuel Control Actuator (FCA) and the PWM returned from the Electronic Fuel Control Actuator (FCA). Symptoms…
GMC P0257 Injection Pump Fuel Metering Control B Range / Performance (Camshaft / Rotor / Injector)
Description OBD-II Trouble Code Description for P0257 GMC Injection Pump Fuel Metering Control “B” Range/Performance (Cam/Rotor/Injector) What does this mean? OBD2 Code P0257 GM definition: The ECM detects a discrepancy between the Pulse-Width Modulation (PWM) supplied to the Electronic Fuel Control Actuator (FCA) and the PWM returned from the Electronic Fuel Control Actuator (FCA). Symptoms…
GMC P0255 Injection Pump Fuel Metering Control A Intermittent (Camshaft / Rotor / Injector)
Description OBD-II Trouble Code Description for P0255 GMC Injection Pump Fuel Metering Control “A” Intermittent (Cam/Rotor/Injector) What does this mean? OBD2 Code P0255 GM definition: The ECM detects a discrepancy between the Pulse-Width Modulation (PWM) supplied to the Electronic Fuel Control Actuator (FCA) and the PWM returned from the Electronic Fuel Control Actuator (FCA). Symptoms…
GMC P0256 Injection Pump Fuel Metering Control B (Camshaft / Rotor / Injector)
Description OBD-II Trouble Code Description for P0256 GMC Injection Pump Fuel Metering Control “B” (Cam/Rotor/Injector) What does this mean? OBD2 Code P0256 GM definition: The ECM detects a discrepancy between the Pulse-Width Modulation (PWM) supplied to the Electronic Fuel Control Actuator (FCA) and the PWM returned from the Electronic Fuel Control Actuator (FCA). Symptoms Possible…
GMC P0254 Fuel Quantity Solenoid Short Circuit
Description OBD-II Trouble Code Description for P0254 GMC Injection Pump Fuel Metering Control “A” High (Cam/Rotor/Injector) What does this mean? OBD2 Code P0254 GM definition: The ECM detects a discrepancy between the Pulse-Width Modulation (PWM) supplied to the Electronic Fuel Control Actuator (FCA) and the PWM returned from the Electronic Fuel Control Actuator (FCA). Symptoms…
GMC P0253 Fuel Quantity Solenoid Circuit Short To Ground
Description OBD-II Trouble Code Description for P0253 GMC Injection Pump Fuel Metering Control “A” Low (Cam/Rotor/Injector) What does this mean? OBD2 Code P0253 GM definition: The ECM detects a discrepancy between the Pulse-Width Modulation (PWM) supplied to the Electronic Fuel Control Actuator (FCA) and the PWM returned from the Electronic Fuel Control Actuator (FCA). Symptoms…