Category: Audi

P1411 Audi SAI System Incorrect Downstream Flow Detected Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi…

P1413 Audi SAI System Monitor Circuit Low Input Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi…

P1414 Audi SAI System Monitor Circuit High Input Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi…

P1407 Audi EGR Air Intrusion In Exhaust Supply To EGR Valve Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi R8 V8,Audi RS 5,Audi S6,Audi R8 V10,Audi R8…

P1408 Audi EGR Flow Out Of Self Test Range Possible causes For vacuum activated systems, see the possible causes for DTC P0401 Audi. For electric motor systems, see the possible causes for DTC P0400 Audi. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1408 Audi Description This test is performed during the…

P1409 Audi EVR Control Circuit Malfunction Possible causes EGRVR circuit open. VPWR open to EGRVR solenoid. EGRVR circuit short to VPWR or GND. Damaged EGRVR solenoid. Damaged PCM. Tech description The EGR vacuum regulator solenoid resistance is between 26 and 40 ohms. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1409 Audi…

P1410 Audi EGR Valve Position Sensor Circuit Malfunction Possible causes – EGR Valve Position Sensor Tech description Usually replacing the EGR Valve Position Sensor takes care of the problem. The sensor is located on top of the EGR valve. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1410 Audi Description The EGR…

P1403 Audi Exhaust Gas Recirculation System Valve 1 Possible causes – Faulty Diagnostic Module Tank Leakage (DMTL)– Diagnostic Module Tank Leakage harness is open or shorted– Diagnostic Module Tank Leakage circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1403 Audi Description The heated DMTL (Diagnostic Module Tank Leakage)…

P1404 Audi Exhaust Gas Recirculation Closed Position Performance Possible causes – Faulty Exhaust Gas Recirculation (EGR) valve– Carbon blockage of the pintle Tech description On some models, there is a service bulletin for the P1404 Audi code that suggest reprogramming the Powertrain Control Module (PCM) to repair the problem. What about the obd code? While…

P1405 Audi EGR Temperature Incorrect Possible causes – Faulty Differential Pressure Feedback Electronic (DPFE) sensor (EGR pressure sensor)– Plugged or damaged EGR tube– Differential Pressure Feedback Electronic (DPFE) sensor harness is open or shorted– Differential Pressure Feedback Electronic (DPFE) sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)…

P1406 Audi EGR Valve Pintle Position Circuit Possible causes – Faulty Exhaust Gas Recirculation (EGR) valve– Carbon blockage of the pintle Tech description The P1406 Audi code means that the EGR valve is 10% of the expected position by the Powertrain Control Module (PCM), usually caused by carbon built up n the EGR valve. Start…

P1399 Audi Wheel Speed Sensor 2, G-Sensor Circuit Intermittent Possible causes – Valve clearance out of range– Blocked EGR (exhaust gas recirculation) Passages Tech description Adjusting the valves will usually fix this problem. What about the obd code? The control module monitors the crankshaft speed and has detected a misfire condition Symptoms – Engine Light…

P1400 Audi Manifold Differential Pressure sensor condition Possible causes – Differential Pressure Feedback Electronic Sensor harness is open or shorted– Differential Pressure Feedback Electronic Sensor circuit poor electrical connection– Faulty Differential Pressure Feedback Electronic Sensor Tech description There is a factory service bulletin for the following Lincoln models: 2001-2002 Lincoln Town CarLincoln Factory Service Bulletin…

P1401 Audi EGR Temperature Sensor Possible causes – EGR Temperature Sensor harness is open or shorted– EGR Temperature Sensor circuit poor electrical connection– Faulty EGR Temperature Sensor– Malfunction of EGR function, EGRC-BPT valve or EGRC-solenoid valve– Blocked EGR passages What about the obd code? An excessively low voltage from the Exhaust Gas Recirculation (EGR) temperature…

P1402 Audi EGR Function Open Possible causes – The EGR volume control valve circuit harness is open or shorted– EGR volume control valve leaking or stuck open– Faulty EGR temperature sensor Tech description Start by cleaning the EGR valve, if the code persist it may be necessary to replaced the EGR Valve Symptoms – Engine…

P1398 Audi Wheel Speed Sensor 2 – G – Sensor Circuit High Voltage Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi R8 V8,Audi RS 5,Audi S6,Audi R8…

P1395 Audi Wheel Speed Sensor 2 – G – Sensor Circuit Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi R8 V8,Audi RS 5,Audi S6,Audi R8 V10,Audi R8…

P1396 Audi Wheel Speed Sensor Circuit Possible causes – Faulty Wheel Speed Sensor– Wheel Speed Sensor harness is open or shorted– Wheel Speed Sensor circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) detects an invalid rough road signal from the wheel speed sensor. P1396 Audi Description The road situation…

P1397 Audi Wheel Speed Sensor 2, G-Sensor Circuit Low Voltage Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi R8 V8,Audi RS 5,Audi S6,Audi R8 V10,Audi R8 GT,Audi…

P1392 Audi Wheel Speed Sensor 1 – G – Sensor Circuit Low Voltage Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi R8 V8,Audi RS 5,Audi S6,Audi R8…