Engine code PG

Digifant I

Diagnostic Trouble code (DTC), troubleshooting table

• the following table lists all of the possible malfunctions recognized by the Digifant (J 169) and displayed on the VAG 1551 Scan Tool (with printer switched on while DTC memory is being read)

• if malfunctioning components are indicated, check wiring for short or open circuits using wiring diagram before replacing the components.

• DTC code and blink code are displayed in operating mode 1 "Rapid data transfer" only when the VAG 1551 printer is switched ON

Example:

Rapid Data Blink code Transfer code (if present) 65535 1111


VAG 1551 printer display	Possible cause	Corrective step
00000 4444 No malfunction recognized!	__	_
00518 2212 Throttle position sensor - (G69) No signal	(G 69) Malfunctioning	Check (G 69), => Repair Group 24 Break in wiring/short

Fuel and Ignition 01-19

Examplo:

Rapid Data Blink code Transfer code (if present) 65535 1111


VAG 1551 printer display	Possible cause	Corrective step
00519 2222 Manifold absolute pressure sensor (G71) No signal	Vacuum line to Digifant ECM (J 169) Sensor (G 71) inside of ECM (J 169) malfunctioning	Check (G 71) Repair Group 24
00521 2242 CO Fuel Trim Potentiometer (G74) No signal	(G 74) malfunctioning Open circuit in wiring	Check (G 74), Repair Group 24
00522 2312 Engine coolant temperature sensor(G 62) Break in wiring/short circuit to positive	(G 62) malfunctioning Open circuit in wiring	Check (G 62), => Repair Group 24
00523 2322 Intake air temperature sensor (G42) No signal	(G 42) malfunctioning in CO fuel trim potentiometer Open or short circuit in wiring	Check (G 42), => Repair Group 24
00525 2342 Oxygen sensor (G 39) No signal	(G 39) malfunctioning Open circuit in wiring	Check Oxygen sensor and Oxygen sensor control, => Repair Group 24

Fuel and Ignition 01-20

Example:

Rapid Data Blink code Transfer code (if present) 65535 1111


VAG 1551 printer display	Possible cause	Corrective step
00535 2141* First knock sensor regulator Regulator limit exceeded	Open circuit or short in the sensor wire Knock sensor (G 61) malfunctioning No knock recognition from Digifant control unit (J 169)	Check wires, page 01-61, test step 15 Replace (G 61) => Repair Group 28 Replace (J 169) => Repair Group 28
00537 2341 Oxygen sensor control limit exceeded	Fuel tank empty CO content not within specified range CO content too high CO content too low	Erase DTC memory, => page 01-15 Check CO content, and idle speed, => Repair Group 24 Check exhaust system sealing between exhaust manifold and Oxygen sensor => Repair Group 26 Oxygen sensor short circuit to ground - Repair Group 24 Check EVAP Canister Purge Regulator valve, => Repair Group 20 Check intake system for sealing, => Repair Group 24 Oxygen sensor short circuit to positive (+), => Repair Group 24
*Fault indicator lamp will display 2142 during blinkcode output

Fuel and Ignition 01-21

Example:

Rapid Data Blink code Transfer code (if present) 65535 1111


VAG 1551 printer display	Possible cause	Corrective step
01249 4411 Cylinder 1 injector (N 30) malfunctioning	Open circuit in wiring for fuel injector (N 30) Fuel injector for cylinders 1, 2, 3 or 4 malfunctioning	Check wiring using Test step 6, page 01-59 Check injectors, => Repair Group 24
65535 1111 ECM malfunctioning	—	Replace ECM (J 169), => Repair Group 24

Fuel and Ignition 01-22