P0400 AUDI Exhaust Gas Recirculation Flow

Possible causes – Exhaust Gas Recirculation (EGR) volume control valve stuck closed– Faulty Exhaust Gas Recirculation (EGR) volume control solenoid valve– Faulty EGR Valve– Faulty EGR temperature sensor and circuit– Exhaust Gas Recirculation (EGR) solenoid valve harness is open or shorted– Exhaust Gas Recirculation (EGR) solenoid valve circuit poor electrical connection– Dead (Weak) battery Tech…

P0597 AUDI Thermostat Heater Control Circuit Open

Possible causes – Failed Engine Cooling Thermostat– Engine Cooling Thermostat harness is open or shorted– Engine Cooling Thermostat circuit poor electrical connection Tech description If there are not coolant system leaks, replaced the thermostat to fix the problem. When is the obd code mean? The P0597 is triggered when there is an open or short…

P0598 AUDI Thermostat Heater Control Circuit Low

Possible causes – Failed Engine Cooling Thermostat– Engine Cooling Thermostat harness is open or shorted– Engine Cooling Thermostat circuit poor electrical connection Tech description If there are not coolant system leaks, replaced the thermostat to fix the problem. When is the obd code mean? The P0598 is triggered when there is an open or short…

P0599 AUDI Thermostat Heater Control Circuit High

Possible causes – Failed Engine Cooling Thermostat– Engine Cooling Thermostat harness is open or shorted– Engine Cooling Thermostat circuit poor electrical connection Tech description If there are not coolant system leaks, replaced the thermostat to fix the problem. When is the obd code mean? The P0598 is triggered when there is an open or short…

P0645 AUDI A/C Clutch Relay Control Circuit

Possible causes – Faulty Air Conditioning Clutch Relay– Air Conditioning Clutch Relay harness is open or shorted– Air Conditioning Clutch Relay circuit poor electrical connection When is the obd code mean? The P0645 code is stored if an open or short exists in A/C clutch relay control circuit. Symptoms – Engine Light ON (or Service…

P0412 AUDI Secondary Air Injection System Switching Valve A Circuit Malfunction

Possible causes – Faulty Air Pump inoperative– Air bypass solenoid harness is open or shorted– Air bypass solenoid circuit poor electrical connection When is the obd code mean? The DTC P0412 is detected the the AIR vacuum control solenoid circuit not operating as desired by the PCM. Symptoms – Engine Light ON (or Service Engine…

P0413 AUDI Secondary Air Injection System Switching Valve A Circuit Open

Possible causes – Faulty Air Pump inoperative– Air bypass solenoid harness is open or shorted– Air bypass solenoid circuit poor electrical connection When is the obd code mean? The DTC P0413 is detected the the AIR vacuum control solenoid circuit not operating as desired by the PCM. Symptoms – Engine Light ON (or Service Engine…

P0286 AUDI Cylinder 9 Injector Circuit High

Possible causes – Dirty Fuel Injector 9– Faulty Fuel Injector 9– Plugged Fuel Injector 9– Fuel injector 9 harness is open or shorted– Fuel injector 9 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector. Symptoms – Engine…

P0287 AUDI Cylinder 9 Contribution Balance

Possible causes – Dirty Fuel Injector 9– Faulty Fuel Injector 9– Plugged Fuel Injector 9– Fuel injector 9 harness is open or shorted– Fuel injector 9 circuit poor electrical connection Tech description Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector. Symptoms – Engine…

P0016 AUDI Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A

Possible causes – Dirty Oil– Engine mechanical problems– Faulty camshaft position sensor– Faulty crankshaft position sensor– Timing belt jumped Symptoms – Engine Light ON (or Service Engine Soon Warning Light) AUDI Related P0016 code 2009 AUDI A4 Electrical System:starter Assembly:solenoid 2009 AUDI A5 Electrical System:starter Assembly:solenoid 2009 AUDI Q5 Electrical System:starter Assembly:solenoid