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Diagnostic Trouble Code Identification

DIAGNOSTIC TROUBLE CODE IDENTIFICATION (CORRADO SLC & PASSAT) (1)

VAG (Blink) Code (2) System/Affected Circuit Possible Cause/Repair
65535 (4444) No Fault Verify ECM Is Correct Application
00281 (1231) Vehicle Speed Sensor Open Circuit (No Signal From Speedometer)
00513 (2111) Engine Speed Sensor Open Circuit Or Loose Or Faulty Sensor
00515 (2113) Hall Effect Sensor Open/Short Circuit To Ground Or Battery Voltage
00518 (2212) Throttle Valve Potentiometer Open/Short Circuit To Ground Or Battery Voltage
00522 (2312) Engine Coolant Temp. Sensor Open/Short Circuit To Ground Or Battery Voltage
00524 (2142) Knock Sensor I Open Circuit Or Short Circuit To Battery Voltage
00525 (2342) Oxygen Sensor Open/Short Circuit To Ground Or Battery Voltage
00527 (2412) Intake Air Temp. Sensor Open/Short Circuit To Ground Or Battery Voltage
00532 (2234) Supply Voltage Battery Voltage Less Than 10.0 Volts Or More Than 16.0 Volts
00533 (2231) Idle (IAC Valve) Regulation Intake System Leaks Or IAC Valve Stuck Or Dirty
00535 (2141) Knock Sensor (Primary) Defective Knock Sensor In Electronic Control Module (Replace ECM)
00537 (2341) Oxygen Sensor Regulation (3) Control Limit Exceeded Or Not Reached
00540 (2144) Knock Sensor II Open/Short Circuit (No Signal To Electronic Control Module)
00543 (2214) Maximum RPM Exceeded RPM Signal Interference; Engine RPM Exceeded Cut-Off Point
00545 (2314) Engine/Transmission Signal Short Circuit To Ground
00549 (2243) (4) Fuel Consumption Signal Short Circuit To Battery Voltage
00553 (2324) Mass Airflow Sensor Short Circuit To Ground Or Battery Voltage
00561 (2413) Fuel Mixture Adaptation (5) Control Limit Exceeded Or Not Reached
00585 (2411) EGR Temperature Sensor Short Circuit To Ground Or Faulty Sensor
00586 (----) EGR Control EGR Valve Sticking Open
00609 (----) (4) Ignition Input Short Circuit To Battery Voltage
00624 (----) (4) A/C Compressor Signal A/C System Malfunction Or Faulty Wiring
00640 (3434) (4) Oxygen Sensor Relay Open/Short Circuit To Ground Or Battery Voltage
01025 (----) Malfunction Indicator Light Open/Short Circuit To Ground Or Battery Voltage
01242 (4332) ECM Output Stage Faulty Circuit To Output Check Controlled Components
01247 (4343) EVAP Frequency Solenoid Open/Short Circuit To Ground Or Battery Voltage
01249 (4411) Injector No. 1 Open/Short Circuit To Ground Or Battery Voltage
01250 (4412) Injector No. 2 Open/Short Circuit To Ground Or Battery Voltage
01251 (4413) Injector No. 3 Open/Short Circuit To Ground Or Battery Voltage
01252 (4414) Injector No. 4 Open/Short Circuit To Ground Or Battery Voltage
01253 (4415) Injector No. 5 Open/Short Circuit To Ground Or Battery Voltage
01254 (4422) Injector No. 6 Open/Short Circuit To Ground Or Battery Voltage
01257 (4431) Idle Air Control Valve Open/Short Circuit To Ground Or Battery Voltage
01259 (4433) Fuel Pump Relay Open Circuit Or Short Circuit To Battery Voltage
01265 (4312) EGR Frequency (Two-Way) Valve Open/Short Circuit To Ground Or Battery Voltage
65535 (1111) Electronic Control Module Replace Faulty Electronic Control Module
(1) For testing information, see PIN VOLTAGE CHARTS article in the ENGINE PERFORMANCE.
(2) Blink code is 4-digit malfunction indicated by (CHECK ENGINE) light. Blink codes are only accessible when using VAG 1551 or equivalent scan tool.
(3) Check intake and exhaust systems for leaks. Check for too low or too high a fuel pressure. Also check for malfunctioning fuel injectors or engine misfire.
(4) Code applicable to Passat only.
(5) Check intake and exhaust systems for leaks. Check for mass airflow sensor hot wire not burning off cleanly. Check for faulty oxygen sensor control and for EVAP frequency solenoid sticking open. Also check for malfunctioning fuel injectors or engine misfire.
DIAGNOSTIC TROUBLE CODE IDENTIFICATION (EUROVAN) (1)

VAG (Blink) Code (2) System/Affected Circuit Possible Cause/Repair
65535 (4444) No Fault Verify ECM Is Correct Application
00518 (2212) Throttle Position Sensor Open Circuit Or Short Circuit To Ground Or Battery Voltage
00519 (2222) Manifold Absolute Pressure Sensor No Vacuum To Electronic Control Module Or Faulty ECM
00521 (2242) (3) Throttle Valve Potentiometer Open Circuit Or Short Circuit To Ground Or Battery Voltage
00522 (2312) Engine Coolant Temp. Sensor Open Circuit Or Short To Battery Voltage
00523 (2322) Intake Air Temp. Sensor Open Circuit Or Short Circuit To Ground Or Battery Voltage
00525 (2342) Heated Oxygen Sensor Open Circuit Or Short Circuit To Battery Voltage
00537 (2341) Oxygen Sensor Control Intake System Leaks Or Short Circuit To Battery Voltage
00545 (2142) Transmission Control Module Open Circuit (No Signal To Electronic Control Module)
00532 (2234) System Voltage Battery Voltage Less Than 6.1 Volts Or More Than 15.5 Volts
01249 (4411) Injector Drive Circuit Open/Short Circuit To Ground Or Battery Voltage
65535 (1111) Electronic Control Module Replace Faulty Electronic Control Module
(1) For testing information, see PIN VOLTAGE CHARTS article in the ENGINE PERFORMANCE.
(2) Blink code is 4-digit malfunction indicated by (CHECK ENGINE) light. Blink codes are only accessible when using VAG 1551 or equivalent scan tool.
(3) Code not applicable to California vehicles.
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