Category: Chevrolet

P1232 Chevrolet Fuel Pump Speed Primary Circuit Malfunction Possible causes Open or shorted low fuel pump (LFP) circuit. Open VPWR to the low speed fuel pump relay. Damaged low speed fuel pump relay. Damaged PCM. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1232 Chevrolet Description The PCM monitors the low speed…

P1225 Chevrolet Needle Lift Sensor Malfunction Possible causes Electric throttle control actuator (TP sensor 1 and 2) What about the obd code? Closed throttle position learning value is excessively low. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1225 Chevrolet Description Electric Throttle Control Actuator consists of throttle control motor, acceleration pedal…

P1226 Chevrolet Control Sleeve Sensor Malfunction Possible causes Electric throttle control actuator (TP sensor 1 and 2) What about the obd code? Closed throttle position learning is not performed successfully, repeatedly. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1226 Chevrolet Description Electric Throttle Control Actuator consists of throttle control motor, acceleration…

P1227 Chevrolet Wastegate Failed Closed (Over Pressure) Possible causes Harness or connectors (The APP sensor 2 circuit is open or shorted.) Accelerator pedal position sensor (Accelerator pedal position sensor 2) What about the obd code? An excessively low voltage from the APP sensor 2 is sent to ECM. Symptoms – Engine Light ON (or Service…

P1228 Chevrolet Injector Circuit Cylinder 3 Intermittent Possible causes Harness or connectors (The APP sensor 2 circuit is open or shorted.) Accelerator pedal position sensor (Accelerator pedal position sensor 2) What about the obd code? An excessively high voltage from the APP sensor 2 is sent to ECM. Symptoms – Engine Light ON (or Service…

P1221 Chevrolet Traction Control System Malfunction

P1222 Chevrolet Traction Control Output Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1223 Chevrolet Pedal Demand Sensor B Circuit High Input Possible causes Harness or connectors (The TP sensor 2 circuit is open or shorted.) Electric throttle control actuator (TP sensor 2) What about the obd code? An excessively low voltage from the TP sensor 2 is sent to ECM. Symptoms – Engine Light ON (or Service…

P1224 Chevrolet Throttle Position Sensor B Out Of Self Test Range Possible causes Harness or connectors (The TP sensor 2 circuit is open or shorted.) Electric throttle control actuator (TP sensor 2) What about the obd code? An excessively high voltage from the TP sensor 2 is sent to ECM. Symptoms – Engine Light ON…

P1217 Chevrolet Fuel Solenoid Response Time Too Long Possible causes – Thermostat– Cooling fan harness is open or shorted– Cooling fan circuit poor electrical connection– Faulty cooling fan motor– Engine Control Module (ECM) Program – Faulty IPDM E/R – Faulty Cooling fan control module– Radiator hose – Radiator– Radiator cap – Water pump Tech description…

P1218 Chevrolet Injection Pump Calibration Circuit

P1219 Chevrolet Throttle Position Sensor Refernce Voltage

P1220 Chevrolet Fuel Pump Control Module Possible causes – Fuel Pump Control Module (FPCM) harness is open or shorted– Fuel Pump Control Module (FPCM) circuit poor electrical connection– Faulty dropping resistor– Faulty Fuel Pump Control Module (FPCM) What about the obd code? An improper voltage signal from the Fuel Pump Control Module (FPCM), which is…

P1213 Chevrolet Start Injector Circuit Malfunction

P1214 Chevrolet Injection Pump Timing Offset

P1215 Chevrolet Ground Fault Detection Indicated

P1216 Chevrolet Fuel Solenoid Response Time Too Short

P1209 Chevrolet Injector Control Pressure System Fault Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1210 Chevrolet Injector Control Pressure Above Expected Level Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1211 Chevrolet Injector Control Pressure Sensor Above / Below Desired Possible causes ABS actuator and electric unit (control unit) ABS or ABS/TCS related parts What about the obd code? ECM receives a malfunction information from ABS actuator and electric unit (Control unit). Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1211 Chevrolet…