Diagnostic Trouble Code (DTC) Table

Notes:

• All the possible malfunctions which can be recognized by the ABS Control Module (J104) and printed out on VAG 1551 are listed below according to the 4-digit DTC number.

• After performing repairs, the DTC Memory must always be interrogated once again with the Scan Tool VAG 1551 and erased, and a road test (with vehicle driven at more than 25 mph) also performed.

• Repeat the OBD after the road test.

ABS 01-15


	Output at printer of VAG 1551	Possible cause of malfunction	Correction
	Blink code 0000 End output	M "No malfunction recognized' appears after completing repairs. OBD is ended. Should the ABS system not operate properly although *No malfunction recognized" appears, continue troubleshooting without OBO and work through the electrical test complete => pago 01-26.
	Blink code 1111 Control Module (J104) faulty	Electrical malfunctions caused by outside sources of interference or poor ground (GND) connections.	- Test wiring, wiring connections and GND connections: => Test s1ep¹⁾1.2. and 3
	Blink code 1112 Left Front ABS Inlet Valve -N101	Faulty wiring, wiring connector or valve coil.	- Test wiring, wiring connections and GND connections: => Test step ¹⁾23, 29, and 35

*'=> page 01-24, Electrical test

ABS 01-16


	Output at printer of VAG 1551	Possible cause of malfunction	Correction
	Blink code 1114 Right Front ABS Inlet Valve -N99	Faulty wiring, wiring connection or valve coil.	- Test wiring, wiring connections and GND connections => Test Step 1) 22. 29 and 36
	Blink code 1122 Rear ABS Inlet Valve -N103	Faulty wiring, wiring connection or valve coil.	- Test wiring, wiring connections and GND connections => Test step 1) 21, 29 and 36
	Blink code 1132 Left Front ABS Outlet Valve -N102.	Faulty wiring, wiring connection or valve coil.	- Test wiring, wiring connections and GND connections: => Test step 1) 26, 29 and 35

¹⁾ => page 01-24, Electrical test

ABS 01-17


	Output at printer of VAG 1551	Possible cause of malfunction	Correction
	Blink code 1134
	Right Front ABS Outlet Valve -N100	Faulty wiring, wiring connection or valve coil.	- Test wiring, wiring connections and GNO connections
			=> Test step i) 25,29 and 36
	Blink code 1122 Rear ABS Outlet Valve -N104	Faulty wiring, wiring connection or valve coil.	- Test wiring, wiring connections and GND connections
			=> Test step 1) 24, 29 and 37
	Blink code 1142 ABS Main Valve-N105	Faulty wiring, wiring connection or valve coil.	- Test wiring, wiring connections at main valve and also wiring connector T7 and valve coil:
			=> Test step 1) 20. 29 and 33

¹⁾ => page 01-24, Electrical test

ABS 01-18


	Output at printer ol VAG 1551	Possible cause ol malfunction	Correction
	Blink code 1233
	Left Front ABS Wheel Speed Sensor -G47	Open circuit, short circuit or loose contact in: • Speed sensor cable.	- Test wiring, wiring connections and speed sensor. GND cables to control module as well as capacitor for correct GND connections:
		• Wiring connection.
		Speed sensor	=> Test step ¹⁾ 9.11 and 15
		Excessive or insufficient gap between peed sensor and pulse wheel (signal not n order).	- Check Installation of speed sensor and pulse wheel, clean II necessary.
		'ulse wheel and speed sensor dirty or damaged.

¹⁾ => page 01-24. Electrical test

ABS 01-19


	Output at printer of VAG 1551	Possible cause of malfunction	Correction
	DTC 1241
	Right Front ABS Wheel Speed Sensor -G45	Open circuit, short circuit or loose contact In: • Speed sensor cable.	- Test wiring, wiring connections and speed sensor, GND cables to control module as well as capacitor for correct GND connections:
		* Plug connection.
		• Spood sensor	=> Test step ¹⁾ 8. 10 and 14
		Excessive or insufficient gap between spood sensor and pulse wheel (signal not n order).	- Check installation of speed sensor and pulse wheel, clean If necessary.
		Pulse wheel and speed sensor dirty or damaged.

¹⁾ => page 01-24, Electrical test

ABS 01-20


	Output at printer of VAG 1551	Possible cause ot malfunction	Correction
	DTC 1243
	Right Rear ABS Wheel Speed Sensor -G44	Open circuit, short circuit or loose contact in: • Speed sensor cable.	- Test wiring, wiring connections and speed sensor, GND cables to control modulo as well as capacitor for correct GND connections:
		• Plug connection.
		• Speed sensor	=> Test step ¹⁾ 6, 12 and 16
		Excessive or insufficient gap between speed sensor and pulse wheel (signal not in order).	- Check installation ol speed sensor and pulse wheel, clean if necessary.
		Pulse wheel and speed sensor dirty or damaged.

¹⁾ => page 01-24, Electrical test

ABS 01-21


	Output at printer of VAG 1551	Possible causa of malfunction	Correction
	DTC 1311
	Left Rear ABS Wheel Speed Sensor -G46	Open circuit, short circuit or loose contact in: • Speed sensor cable.	- Test wiring, wiring connections and speed sensor. GND cables to control module as well as capacitor lor correct GND connections:
		• Plug connection.
		• Speed sensor	=> Test step ¹> 7.13 and 17
		Excessive or insufficient gap between speed sensor and pulse wheel (signal not in order).	- Chock installation of speed sensor and pulse wheel, clean H necessary.
		Pulse wheel and speed sensor dirty or damaged.

¹⁾ => page 01-24, Electrical test

ABS 01-22


	Output at printer of VAG 1551	Possible cause of malfunction	Correction
	DTC 1312 ABS Pressure Warning Switch II F116 ABS Brake Fluid Warning Switch -F117	Wiring between terminal 9 and terminal 10 ol ABS Control Module (J104) at components F116 and F117 has connection to Battery Positive (B+).	- Test cable between contact 9 and contact 10: => Test step ¹⁾ 31 and 32 - Unplug multi-pin connector from ABS Control Module (J104), connect to test box VAG 1598 and adapter VAG. 1598/3. - Use digital multimeter Fluke 83 (US 1119) to perform voltage measurement (20 V range) between contacts: 1 and 9 1 and 10 Specification: max. 0.1 V.

¹⁾ => page 01-24, Electrical test

ABS 01-23

Electrical test of Teves 02 ABS

The test steps on the pages which follow apply to:

• Vehicles without On-Board Diagnostic (OBD).

- Perform test steps 1 ... 37.

• Vehicles on which OBD does not provide any indication of source of malfunction:

- Perform test steps 1 ... 37.

• Vehicles on which OBD provides a direct indication of source of malfunction:

- Perform only the test steps recommended from the DTC table (targeted test initiation).

ABS 01-24

Diagnostic Trouble Code (DTC) table/Blink code output

Notes:

• All the possible malfunctions which can be recognized by the ABS Control Module (J104) and printed out by the VAG 1551 Scan Tool are listed below according to the 4-digit blink code number.

• Reference is made to individual test steps of the electrical test in the column "Correction".

• Before replacing the components indicated as being faulty, test all the appropriate connectors, wiring and Ground (GND) connections per the wiring diagram.

• After performing repairs, the DTC Memory must always be interrogated once again with the Scan Tool VAG 1551 and erased, and a road test (with vehicle driven at more than 25 mph) also performed.

• Repeat the OBD after the road test.

ABS 01-89


	Output at printer of VAG 1551	Possible cause of malfunction	Correction
	Blink code: 0000 End output		Only if blink code 0000 appears when first Interrogated and ABS Warning Light (K47) shows a steady light: test voltage supply.
	Bink code: 1111 Control Module (J104) faulty	Electrical malfunctions caused by outside sources of interference or poor Ground (GND) connections.	- Test wiring, wiring connections and Ground (GND) connections to control module: - Test voltage supply => Test step ¹⁾ 1 ... 4
	Blink code: 1112 Left Front ABS Inlet Valve -N101	Faulty cable, wiring connection or valve coil. Malfunction at contact 3 of control module (J104).	- Test wiring, wiring connections and valve coil: => Test step ¹⁾22 and 39 => Test step ¹⁾ 4

¹⁾ =>page 01-100. Electrical test

ABS 01-90


	Output at printer of VAG 1551	Possible cause of malfunction	Correction
	Blink code: 1114 Right Front ABS Inlet Valve -N99	Faulty wiring, wiring connection or valve coil.	- Test wiring, wiring connections and valve coil: => Test step ¹) 12 and 39
	Blink code: 1122 Rear ABS Inlet Valve -N103	Faulty wiring, wiring connection or valve coll.	- Test wiring, wiring connections and valve coll: => Test step¹'20... 37
	Blink code: 1132 Left Front ABS Outlet Valve -N102	Faulty wiring, wiring connection or valve coil.	- Test wiring, wiring connections and valve coil: =» Test step¹' 25 and 39

¹⁾ => page 01-100. Electrical test

ABS 01-91


	Output at printer of VAG 1551	Possible cause of malfunction	Correction
	Blink code: 1134 Right Front ABS Outlet Valve -N100	Faulty wiring, wiring connection or valve coil.	- Test wiring, wiring connections and valve coil: => Test step') 24 and 39
	Blink code: 1142 Rear ABS Outlet Valve -N104	Faulty wiring, wiring connection or valve coil.	- Test wiring, wiring connections and valve coll: => Test step ¹⁾ 23 ...37
	Blink code: 1222 ABS Main Valve -N105	Faulty wiring, wiring connection or valve coil	- Test wiring, wiring connections at main valve and also valve coil: => Test step ¹⁾3,19 and 35

¹⁾ => page 01-100. Electrical test

ABS 01-92


	Output at printer ol VAG 1551	Possible cause ol malfunction	Correction
	Blink code: 1223 Differential Lock Valve 1 -N125	Faulty wiring, wiring connection or valve coil.	- Test wiring, wiring connections and valve coil: => Test step ¹⁾26 and 40
	Blink code: 1224 Differential Lock Valve 2 -N126	Faulty wiring, wiring connection or valve coil.	- Test wiring, wiring connections and valve coll: => Test step ¹⁾27 ...41

1) => page 01-100, Electrical test

ABS 01-93


	Output at printer of VAG 1551	Possible cause of malfunction	Correction
	Blink code: 1233 Lett Front ABS Wheel Speed Sensor-G47	Open circuit, short circuit or loose contact in: • Speed sensor harness • Wiring connection. • Speed sensor. Excessive or Insufficient gap between speed sensor and pulse wheel (signal not in order). Pulse wheel and speed sensor dirty or damaged.	- Test wiring, wiring connections and speed sensor, GND cables to control module as well as capacitor for correct OND connection: => Test step ¹⁾10,12 and 16 - Check installation of speed sensor and pulse wheel, clean If necessary.

¹⁾=> page 01-100. Electrical test

ABS 01-94


	Output at printer of VAG 1551	Possible cause of malfunction	Correction
	Blink code: 1241 Right Front ABS Wheel Speed Sensor -G45	Open circuit, snort circuit or loose contact in: • Speed sensor harness • Wiring connection. * Speed sensor. Excessive or insufficient gap between speed sensor and pulse wheel (signal not in order). Pulse wheel and speed sensor dirty or damaged.	- Test wiring, wiring connections and speed sensor, GND cables to control module as well as capacitor for correct GND connection: => Test step ¹⁾ 9.11 and 15 - Check installaUon of speed sensor and pulse wheel, clean if necessary.

¹⁾ => page 01-100, Electrical test

ABS 01-95


	Output at printer of VAG 1551	Possible cause of malfunction	Correction
	Blink code: 1243 Right Rear ABS Wheel Speed Sensor -G44	Open circuit, short circuit or loose contact in: • Speed sonsor harness	- Test wiring, wiring connections and speed sensor, GND cables to control module as well as capacitor for correct GND connection:
		• Wiringconnectioa
		• Speed sensor.	=> Test step ¹⁾7.13 and 17
		Excessive or Insufficient gap between speed sensor and pulse wheel (signal not in order).	- Check installation of speed sonsor and pulse wheel, clean if necessary.
		Pulse wheel and speed sensor dirty or damaged.

¹) => page 01-100. Electrical test

ABS 01-96


	Output at printer of VAG 1551	Possible cause of malfunction	Correction
	Blink code: 1311 Left Rear ABS Wheel Speed Sensor -G46	Open circuit, short circuit or loose contact in: • Speed sensor harness. • Wiring connection. • Speed sensor. Excessive or insufficient gap between speed sensor and pulse wheel (signal not In order). Pulse wheel and speed sensor dirty or damaged.	- Test wiring, wiring connections and speed sensor, GND cables to control module as well as capacitor for correct GND connection: => Test step '¹⁾8,14 and 18 - Check installation of speed sensor and pulse wheel, clean if necessary.

¹) => page 01-100. Electrical test

ABS 01-97


	Output at printer of VAG 1551	Possible cause of malfunction	Correction
	Blink code: 1312 ABS Pressure Warning Switch II -F116 ABS Brake Fluid Level Warning Switch -F117	Wiring between contact 8 and contact 51 of ABS Control Module (J104) at components F116 and F117 has connection to Battery Positive (B+).	- Visual inspection of harness routing between contact 8 and contact 51 => Wiring diagram. - Unplug multi-pin connector from control module, connect to tester VAG 1598 and measure voltage with digital multimeter Fluke 83 (US 1119) between the contacts. - Unplug multi -pin connector from control module, connect to test box VAG 1598 and measure voltage with digital multimeter Fluke 83 (US 1119) between the contacts: Sand 1: max. 01. V 51 and 1: max. 0.1 V

¹⁾ =+ page 01-100, Electrical test

ABS 01-98