P1152 Volkswagen Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 2 Possible causes – Faulty Oxygen Sensor– Fuel pressure high or low– MAF sensor dirty/defective– Vacuum leak on engine– Leaking fuel injector or fuel pressure regulator– Faulty Powertrain Control Module Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1152…
P1151 Volkswagen Fuel Rail Pressure Malfunction Maximum Positive Deviation
P1151 Volkswagen Fuel Rail Pressure Malfunction Maximum Positive Deviation Possible causes – Fuel system fault condition– Faulty fuel pressure solenoid– Air in fuel system Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1151 Volkswagen Description The Engine Control Module (ECM) has determined that the fuel rail pressure is too high for a…
P1150 Volkswagen Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 2 Sensor 1
P1150 Volkswagen Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 2 Sensor 1 Possible causes – Faulty Air fuel Ratio (A/F) Bank 2 Sensor 1– Air fuel Ratio (A/F) Bank 2 Sensor 1 harness is open or shorted– Air fuel Ratio (A/F) Bank 2 Sensor 1 circuit poor electrical connection– Fuel pressure– Fuel injector– Intake air…
P1149 Volkswagen Air/Fuel Ratio Sensor 1 Circuit Range/Performance
P1149 Volkswagen Air/Fuel Ratio Sensor 1 Circuit Range/Performance Possible causes – Faulty Air/Fuel Ratio Sensor 1– Air/Fuel Ratio Sensor 1 harness is open or shorted– Air/Fuel Ratio Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1149 Volkswagen Description The Air/Fuel Ratio (A/F) sensor 1 is installed…
P1148 Volkswagen Closed Loop Control Function Bank 1
P1148 Volkswagen Closed Loop Control Function Bank 1 Possible causes For Models 2005 and up:– Faulty Air Fuel Ratio Sensor 1 Bank 1 – Air Fuel Ratio Sensor 1 Bank 1 circuit is open or shorted– Air Fuel Ratio Sensor 1 Bank 1 circuit electrical connection For Models before 2005:– Faulty Heated Oxygen Sensor 1…
P1147 Volkswagen Heated Oxygen Sensor 2 Maximum Voltage Monitoring Bank 1
P1147 Volkswagen Heated Oxygen Sensor 2 Maximum Voltage Monitoring Bank 1 Possible causes – Faulty heated oxygen (O2) sensor 2 (rear)– Intake air leaks– Heated oxygen (O2) sensor 2 (rear) harness is open or shorted– Heated oxygen (O2) sensor 2 (rear) circuit poor electrical connection – Inappropriate fuel pressure– Faulty fuel injectors Tech description Replacing…
P1146 Volkswagen Heated Oxygen Sensor 2 Minimum Voltage Monitoring Bank 1
P1146 Volkswagen Heated Oxygen Sensor 2 Minimum Voltage Monitoring Bank 1 Possible causes – Faulty heated oxygen (O2) sensor 2 (rear)– Intake air leaks– Heated oxygen (O2) sensor 2 (rear) harness is open or shorted– Heated oxygen (O2) sensor 2 (rear) circuit poor electrical connection – Inappropriate fuel pressure– Faulty fuel injectors Tech description Replacing…
P1145 Volkswagen Intake Valve Timing Control Performance Bank 2
P1145 Volkswagen Intake Valve Timing Control Performance Bank 2 Possible causes – Faulty Intake Valve Timing Control Solenoid Valve– Intake Valve Timing Control Solenoid Valve harness is open or shorted– Intake Valve Timing Control Solenoid Valve circuit poor electrical connection– Faulty Crankshaft Position Sensor– Faulty Camshaft Position Sensor Tech description Since the Intake valve timing…
P1144 Volkswagen Heated Oxygen Sensor 1 Rich Shift Monitoring
P1144 Volkswagen Heated Oxygen Sensor 1 Rich Shift Monitoring Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks…
P1143 Volkswagen Heated Oxygen Sensor 1 Lean Shift Monitoring Bank 1
P1143 Volkswagen Heated Oxygen Sensor 1 Lean Shift Monitoring Bank 1 Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Intake air leaks– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Fuel pressure– Injectors Tech description If there are no intake…
P1142 Volkswagen HO2S12 Heater Circuit High
P1142 Volkswagen HO2S12 Heater Circuit High Possible causes – Faulty HO2S12– HO2S12 harness is open or shorted– HO2S12 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volkswagen Vehicle:Volkswagen CC,Volkswagen Eos,Volkswagen Golf,Volkswagen GTI,Volkswagen Jetta,Volkswagen New Beetle,Volkswagen Passat,Volkswagen Routan,Volkswagen Tiguan,Volkswagen Touareg,Volkswagen Beetle,Volkswagen Golf,Volkswagen Polo,Volkswagen Touran,Volkswagen up,Volkswagen Sharan,Volkswagen Santana,Volkswagen Lavida
P1141 Volkswagen HO2S Heater Control Circuit Bank 1 Sensor 2
P1141 Volkswagen HO2S Heater Control Circuit Bank 1 Sensor 2 Possible causes – Faulty HO2S Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volkswagen Vehicle:Volkswagen CC,Volkswagen Eos,Volkswagen Golf,Volkswagen GTI,Volkswagen…
P1140 Volkswagen HO2S22 Internal Resistance Too High
P1140 Volkswagen HO2S22 Internal Resistance Too High Possible causes – Faulty HO2S22 Sensor– HO2S22 Sensor harness is open or shorted– HO2S22 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volkswagen Vehicle:Volkswagen CC,Volkswagen Eos,Volkswagen Golf,Volkswagen GTI,Volkswagen Jetta,Volkswagen New Beetle,Volkswagen Passat,Volkswagen Routan,Volkswagen Tiguan,Volkswagen Touareg,Volkswagen Beetle,Volkswagen Golf,Volkswagen Polo,Volkswagen Touran,Volkswagen up,Volkswagen…
P1139 Volkswagen HO2S Insufficient Switching Bank 1 Sensor 2
P1139 Volkswagen HO2S Insufficient Switching Bank 1 Sensor 2 Possible causes – Faulty HO2S Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volkswagen Vehicle:Volkswagen CC,Volkswagen Eos,Volkswagen Golf,Volkswagen GTI,Volkswagen Jetta,Volkswagen…
P1138 Volkswagen HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2
P1138 Volkswagen HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2 Possible causes – Vacuum leak on engine– Faulty Failed Mass Air Flow (MAF)– Faulty HO2S– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volkswagen Vehicle:Volkswagen CC,Volkswagen Eos,Volkswagen Golf,Volkswagen GTI,Volkswagen…
P1137 Volkswagen HO2S Circuit Low Voltage During Power Enrichment Sensor 2
P1137 Volkswagen HO2S Circuit Low Voltage During Power Enrichment Sensor 2 Possible causes – Air leak near HO2S– Faulty HO2S– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Volkswagen Vehicle:Volkswagen CC,Volkswagen Eos,Volkswagen Golf,Volkswagen GTI,Volkswagen Jetta,Volkswagen New Beetle,Volkswagen Passat,Volkswagen Routan,Volkswagen Tiguan,Volkswagen Touareg,Volkswagen…
P1135 Volkswagen HO2S Heater Circuit- Bank 1 & 2 Sensor 2 Electrical Malfunction
P1135 Volkswagen HO2S Heater Circuit- Bank 1 & 2 Sensor 2 Electrical Malfunction Possible causes – Faulty O2 Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1135 Volkswagen Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich at…
P1134 Volkswagen HO2S Heater Circuit- Bank 1 & 2 Sensor 2 Short To B+
P1134 Volkswagen HO2S Heater Circuit- Bank 1 & 2 Sensor 2 Short To B+ Possible causes – Faulty O2 Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1134 Volkswagen Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich…
P1133 Volkswagen HO2S Heater Circuit- Bank 1 & 2 Sensor 1 Electrical Malfunction
P1133 Volkswagen HO2S Heater Circuit- Bank 1 & 2 Sensor 1 Electrical Malfunction Possible causes – Faulty O2 Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1133 Volkswagen Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich at…
P1132 Volkswagen HO2S Heater Circuit Bank 1/2 Sensor 1 Short To B+
P1132 Volkswagen HO2S Heater Circuit Bank 1/2 Sensor 1 Short To B+ Possible causes – Faulty O2 Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1132 Volkswagen Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the…