Diagnostic Trouble Code (DTC) table

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1995 Volkswagen Jetta III, 1995 Volkswagen Golf III, 1995 Volkswagen Cabrio, 1994 Volkswagen Jetta III, and 1994 Volkswagen Golf III. However, it is still accessible from the selected car via links, so may be relevant.

Before replacing a suspected faulty component, check all appropriate wiring, connections, harness connectors and Ground (GND) connections according to the wiring diagram.
For wiring checks "Electrical testing,". See ELECTRICAL TESTING .
Certain Diagnostic Trouble Codes and blink codes appear (in "Rapid data transfer" operating mode) only in the print out.

Example:

Diagnostic Trouble Code Blink Code

5-digit 4-digit

65535 1111

DTC/BLINK CODES (00000/4444 & 00281/1231)

VAG 1551 printer display

Possible cause

Correction

00000 4444 No DTC recognized!

When no complaint: DTC not recognized by On Board Diagnostic

Check whether correct Motronic ECM is installed

00281 1231
Vehicle Speed sensor -G68 ⁽¹⁾
Incorrect signal

No signal from Speedometer Vehicle Speed sensor (G22)
If Speedometer not malfunctioning, engine speed is limited to 5300 RPM

Check signal from G22. See ELECTRICAL TESTING , test step 6
Check Speedometer/wiring

Open circuit

VSS (G22) malfunctioning

Check -G22
Replace G22. See MOTRONIC MULTIPORT FUEL INJECTION (MFI) SYSTEM .

⁽¹⁾	VAG 1551 Scan Tool (ST) incorrectly shows G68, actual component is G22.

DTC/BLINK CODES (00513/2111& 00515/2113)

VAG 1551 printer display

Possible cause

Correction

00513 2111
Engine Speed sensor -G28
No signal ⁽¹⁾

Open Circuit
(G28) faulty

Check wiring of G28. See ELECTRICAL TESTING , test step 7
Replace G28. See MOTRONIC MULTIPORT FUEL INJECTION (MFI) SYSTEM .-

Impossible signal ⁽²⁾

RPM sensor rotor malfunctioning, loose

-Check sensor rotor for tight fit. See CRANKSHAFT, REMOVING AND INSTALLING .

(G28) loose

Check G28 for tight fit. See MOTRONIC MULTIPORT FUEL INJECTION (MFI) SYSTEM .

00515 2113 Camshaft Position Sensor G40
Open/short circuit to positive (B+)

Open circuit and/or G40 wiring has short to positive (B+)

Check wiring to G40. See ELECTRICAL TESTING , test step 21
Distributor, removing/installing. See IGNITION DISTRIBUTOR, REMOVING/INSTALLING .

Short circuit to Ground (GND)

Wires or G40 have short circuit to ground (GND)

TDC mark on Distributor does not match

⁽¹⁾	If Diagnostic Trouble Code (DTC) Memory is read with ignition switched on, and engine not running, this Diagnostic Trouble Code is always displayed, even if there is no malfunction.

⁽²⁾	In isolated cases, malfunction may be stored as a result of engine being abruptly stalled (sporadic malfunction).

DTC/BLINK CODES (00518/2212, 00522/2312 & 00524/2142)

VAG 1551 printer display

Possible cause

Correction

00518 2212
Throttle Position sensor - G69

Open/short circuit to (B+)

Open circuit or wiring or G69 has short circuit to positive (B+)

Check wiring with G69. See ELECTRICAL TESTING , test step 20

Short circuit to Ground (GND)⁽¹⁾

G69 faulty or wiring has short circuit to ground

00522 2312
Engine Coolant Temperature sensor - G62

Short circuit to ground

G62 malfunctioning
Wiring has short circuit to Ground (GND)

Check wiring and G62 for short circuit. See ELECTRICAL TESTING , test step7

Open/short circuit to B+

G62 malfunctioning, or incorrect operating range because of corrosion on connector

Open circuit or wiring has short circuit to positive (B+)

00524 2142
Knock sensor 1 -G61

G61 malfunctioning

Check wiring to G61. See ELECTRICAL TESTING , test step 23

Open short circuit to B+

Open circuit or short circuit in sensor wire

Replace G61. See IGNITION-GLOW PLUG SYSTEM .

Replace J220.

Open short to Ground (GND)

No knock detection by Motronic Engine Control Module (J220)

⁽¹⁾	Erase Diagnostic Trouble Code (DTC) Memory before starting engine again. Then disconnect connector from Motronic Engine Control Module (ECM) (J220) and reconnect.

DTC/BLINK CODES (00525/2342 & 00527/2412)

VAG 1551 printer display	Possible cause	Correction
00525 2342 Heated Oxygen sensor -G39
G39 malfunctioning		Check Heated Oxygen Sensor (HO2S) (G39) and Oxygen Sensor control. See AIR INTAKE SYSTEM, COMPONENTS .
No signal	HO2S (G39) heating circuit malfunctioning	Check HO2S relay (J278) See ELECTRICAL TESTING , test step 4. Check wiring to G39. See ELECTRICAL TESTING , test step 9.
No signal	Open circuit
Short circuit to B+	Open circuit or G39 wiring has short to Battery Positive Voltage (B+)	Check wiring to G39. See ELECTRICAL TESTING , test step 9. Check wiring and G39 for short to Ground (GND)
Short circuit to Ground (GND)	Wiring or G39 wiring has short circuit to Ground (GND)
Short circuit to Ground (GND)	Fuel tank empty	Fill up tank, erase DTC memory. See DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING .
00527 2412 Intake Air Temperature sensor -G72 G72 malfunctioning
Short circuit to ground (GND)	Wiring or G72 wiring has short circuit to Ground (GND)	Check wiring to G72 for short circuit. See ELECTRICAL TESTING , test step 24 Check G72. See MULTIPORT FUEL INJECTION (MFI) .
Open circuit/short circuit to B+	Open circuit or G72 has short to Battery Positive Voltage (B+)

DTC/BLINK CODES (00532/2234, 00533/2234 & 00535/2141)

VAG 1551 printer display

Possible cause

Correction

00532 2234
Voltage Supply B+ ⁽¹⁾

Signal too large

Battery Positive Voltage (B+) over 16.0 Volts

Check Generator.

Signal too small

Battery Positive Voltage (B+) under 10.0 Volts

Check voltage supply. See ELECTRICAL TESTING , test steps 1 & 2

00533 2234
Idle Air Control Regulation

Adaption limit not reached

Idle Air Control valve (N71) sticking or dirty

Check Idle Air Control (IAC) Valve. See ELECTRICAL TESTING , test step 25
Check intake system. See AIR INTAKE SYSTEM, CHECKING FOR LEAKS (FALSE AIR) .
Check Exhaust Gas Recirculation (EGR) valve. See EXHAUST GAS RECIRCULATION (EGR) VALVE AND EGR TEMPERATURE SENSOR -G98-, CHECKING .

Adaption limit exceeded

Air leak between Mass Air Flow (MAF) sensor and engine

00535 2141
First Knock Sensor
Incorrect signal

Knock Sensor in Motronic Engine Control Module (ECM) (J220) defective

Replace J220.

⁽¹⁾	Malfunction recognition: Motronic Engine Control Module (J ²²⁰⁾ checks Voltage after engine runs for 3 minutes.

DTC/BLINK CODES (00537/2341)

VAG 1551 printer display	Possible cause	Correction
00537 2341 Oxygen Sensor control
Adaptation limit exceeded	Heated Oxygen Sensor (HO2S) heater circuit malfunctioning	Check HO2S heater circuit voltage supply from HO2S Relay (J278). See ELECTRICAL TESTING , test step 4 Check HO2S heater circuit for continuity. See HEATED OXYGEN SENSOR (HO2S) AND OXYGEN SENSOR .
Adaptation limit exceeded	Exhaust gas leaks between cylinder head and Three way Catalytic Converter (TWC)	Check exhaust system. See EXHAUST SYSTEM, EMISSION CONTROLS - 2.0L 4-CYl. 2V - ABA - CABRIO, GOLF, GTI & JETTA .
	Engine misfiring	Check ignition components. See IGNITION-GLOW PLUG SYSTEM
	Intake system leaks (false air)	Check for leaks. See AIR INTAKE SYSTEM, CHECKING FOR LEAKS (FALSE AIR) .
	Fuel injector(s) (N30, N31, N32, N33) malfunctioning	Check N30, N31, N32, N33. See FUEL INJECTORS, CHECKING .
	Fuel pressure too low	Check Fuel Pressure Regulator. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING .
	EVAP Canister Purge Regulator Valve (N80) sticks (always open)	Check valve (N80). See ELECTRICAL TESTING
Adaptation limit not reached	Fuel pressure too high	Check Fuel Pressure Regulator. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING .
Adaptation limit not reached	Fuel injector(s) (N30, N31, N32, N33) malfunctioning (leaking)	Check N30, N31, N32, N33. See FUEL INJECTORS, CHECKING .

DTC/BLINK CODES (00543/2214 & 00545/2314 )

VAG 1551 printer display

Possible cause

Correction

00543 2214
RPM upper limit exceeded
Signal too high

Exceeded RPM cut-off (e.g. shifted into wrong gear)

Erase DTC memory. See DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING

Interference in signal from Engine Speed (RPM) Sensor G28

Check wiring to G28 (shielding). See ELECTRICAL TESTING , test step 27

00545 2314
Engine/trans electrical connection
Short circuit to Ground (GND) ⁽¹⁾

Wire 18 from Motronic Engine Control Module (J220) to Transmission Control Module (TCM) (J217) has short circuit to Ground (GND)

Determine short circuit according to wiring diagram

⁽¹⁾	Erase Diagnostic Trouble Code (DTC) Memory before starting engine again. Then disconnect connector from Motronic Engine Control Module (ECM) (J220) and reconnect.

DTC/BLINK CODES (00549/2243 & 00553/2324)

VAG 1551 printer display	Possible cause	Correction
00549 2243 Consumption signal Short circuit to B+	Wire 51 from Motronic Engine Control Module (ECM) (J220) to instrument cluster has short circuit to Battery Positive Voltage (B+)	Determine short circuit according to wiring diagram and repair. See appropriate WIRING DIAGRAM article
00553 2324 Mass Air Flow Sensor -G70
Open/short circuit to B+	G70 malfunctioning	Check wiring to G70. See ELECTRICAL TESTING , test step 26 Replace G70. See MULTIPORT FUEL INJECTION (MFI) .
Open/short circuit to B+	Wire has short circuit to positive (B+)
Short circuit to Ground (GND)	G70 malfunctioning or wire has short to Ground (GND) or open circuit
Short circuit to Ground (GND)	Air leak (false air) between G70 and engine	Repair leak

DTC/BLINK CODES (00561/2413)

VAG 1551 printer display

Possible cause

Correction

00561 2413
Mixture control adjustment ⁽¹⁾
Adaptation limit exceeded or not reached

Fuel pressure incorrect

Check Fuel Pressure Regulator. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING .

Engine misfires

Check ignition components IGNITION-GLOW PLUG SYSTEM

Intake system leaks (false air)

Check intake system. See AIR INTAKE SYSTEM, CHECKING FOR LEAKS (FALSE AIR) .

Fuel injector(s) (N30, N31, N32, N33) malfunctioning (leaking)

Check N30,.N31, N32, N33. See FUEL INJECTORS, CHECKING .

Exhaust leaks between cylinder head and Three Way Catalytic Converter (TWC)

Check exhaust system

Oxygen sensor control malfunctioning
EVAP Canister Purge Regulator Valve (N80) sticks/always open

Check HO2S Relay (J278). See ELECTRICAL TESTING , test step 4
Check wiring to G39. See ELECTRICAL TESTING , test step 19
Check Valve (N80). See ELECTRICAL TESTING

⁽¹⁾	If DTC 00525 or 00533 and 00561 are printed out simultaneously -repair according to DTC 00525 or 00533, erase DTC Memory, test drive car and then check DTC Memory again.

DTC/BLINK CODES (00585/2411, 00586, 00609 & 00640/3434)

VAG 1551 printer display	Possible cause	Correction
00585 2411 EGR Temperature Sensor -G98 Short circuit to ground	EGR Temperature Sensor (G98) or wiring has short circuit to Ground (GND)	Check wire to G98. See ELECTRICAL TESTING , test step 30 Short circuit to ground
00586 EGR system control Impossible signal	EGR valve sticks and/or malfunctioning	Check EGR valve and EGR Temperature Sensor (G98). See EXHAUST GAS RECIRCULATION (EGR) SYSTEM COMPONENTS, REMOVING AND INSTALLING (CALIFORNIA ONLY) .
00609 Ignition Output 1
Short circuit to B+	Ignition coil (N152) and/or wire has short to Battery Positive Voltage (B+)	Check wiring to N152. See ELECTRICAL TESTING , test step 22 N152 checking. See IGNITION SYSTEM, COMPONENTS
00640 3434 Heated Oxygen Sensor Relay - J278
Short circuit to B+	Wiring has short circuit to Battery Positive Voltage (B+)	Check J278. See ELECTRICAL TESTING , test step 4 Check wiring per wiring diagram
Open/short circuit to Ground (GND)	Wire has open circuit/short circuit to Ground (GND)	Check wiring to -J278. See ELECTRICAL TESTING , test step 4

DTC/BLINK CODES (01025, 01242/4332 & 01247/4343)

VAG 1551 printer display	Possible cause	Correction
01025 Malfunction Indicator Lamp faulty
Short circuit to B+	Wiring has short circuit to Battery Positive Voltage (B+)	Check wiring to Malfunction Indicator Lamp (MIL) and replace if necessary. See ELECTRICAL TESTING , test step 5
Open/short circuit to Ground (GND)	MIL malfunctioning, open circuit or short to Ground (GND)
01242 4332 Final stage in control module Mechanical malfunction	Loose terminal to outputs or Motronic ECM (J220) malfunctioning	Perform Output Diagnostic Test Mode. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (FUNCTION 03) Check wires to the outputs for loose terminals, if necessary replace J220
01247 4343 EVAP Canister Purge Regulator Valve -N80
Open/short circuit to B+	N80 malfunctioning and/or wiring has short to positive (B+)	Check N80. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (FUNCTION 03) , Output Diagnostic Test Mode Check wiring together with N80. See ELECTRICAL TESTING , test step 16 Replace N80. See EVAPORATIVE EMISSIONS (EVAP) SYSTEM .
Open/short circuit to Ground (GND)	N80 malfunctioning and/or wiring has short to Ground (GND)

DTC/BLINK CODES (01249/4411, 01250/4412, 01251/4413, 01252/4414 & 01257 4431)

VAG 1551 printer display	Possible cause	Correction
01249 4411 Injector, cyl. 1 -N30
Short circuit to B+	N30 malfunctioning and/or wiring faulty	Check wiring to N30. See ELECTRICAL TESTING , test step 12 Replace N30. See MULTIPORT FUEL INJECTION (MFI) .
Open/short circuit to Ground (GND)	N30 malfunctioning and/or wiring has short to Ground (GND)
01250 4412 Injector cyl. 2 -N31	See injector cyl. 1 (DTC 01249)	Check wiring to N31. See ELECTRICAL TESTING , test step 13 Replace N31. See MULTIPORT FUEL INJECTION (MFI) .
01251 4413 Injector cyl. 3 -N32	See injector cyl. 1 (DTC 01249)	Check wiring to N32. See ELECTRICAL TESTING , test step 14 Replace N32. See MULTIPORT FUEL INJECTION (MFI) .
01252 4414 Injector cyl. 4 -N33	See injector cyl. 1 (DTC 01249)	Check wiring to N33. See ELECTRICAL TESTING , test step 15 Replace N33. See MULTIPORT FUEL INJECTION (MFI) .
01257 4431 Idle Air Control valve - N71
Short circuit to B+	N71 malfunctioning and/or wiring has short to Battery Positive Voltage (B+)	Check wiring to N71. See ELECTRICAL TESTING , test step 25 Check N71. See IDLE AIR CONTROL (IAC) VALVE, CHECKING . Replace N71. See MULTIPORT FUEL INJECTION (MFI) .
Open circuit/short circuit to ground	N71 malfunctioning and/or wiring has short to Ground (GND)

DTC/BLINK CODES (01259/4433, 01265/4312 & 65535/1111)

VAG 1551 printer display	Possible cause	Correction
01259 4433 Fuel Pump Relay -J17 Short B+	J17 malfunctioning and/or wiring has short to positive (B+)	Check wiring to J17. See ELECTRICAL TESTING , test step 3 Replace J17.
01265 4312 EGR Vacuum Regulator Solenoid Valve -N18
Open/short circuit to Ground (GND)	N18 (two-way valve) for EGR valve malfunctioning, open circuit and/or wiring has short to Ground (GND)	Check wiring to N18. See ELECTRICAL TESTING , test step 3 Replace N18. See EXHAUST GAS RECIRCULATION (EGR) SYSTEM COMPONENTS, REMOVING AND INSTALLING (CALIFORNIA ONLY) .
Short circuit to positive	N18 malfunctioning and/or wiring has short circuit to positive (B+)
65535 1111 Control Module malfunctioning	Components in Motronic Engine Control Module (ECM) (J220)	Replace J220.