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Fault table: Fault codes 00530 ... 00578
Fault table: Fault codes 00530 ... 00578
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00530
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Throttle valve positioner/potentiometer -G881)
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Short to earth
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Wire has short to earth
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- Check G88
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Checking throttle valve control part
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Wiring open circuit in earth wire
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G88 defective
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Short to positive
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Wiring open circuit in earth wire
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Wire has short to positive
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G88 defective
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Open circuit
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Wiring open circuit
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Implausible signal
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Connector incorrectly wired
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Control difference
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G88 defective
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Control limit exceeded
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1)
The throttle valve positioner/potentiometer G88 is a component of the throttle valve control part J338.
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00532
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Supply voltage1)
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Signal too large
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Battery voltage above 16.0 V
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- Check alternator:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
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Signal too small
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Battery voltage below 10.0 V
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- Check battery:
=> Electrical system; Repair group 27;
=> Checking and charging battery
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- Check engine control unit voltage supply
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1)
Fault detection: Motronic control unit (J220) checks voltage after engine has been running for 3 minutes
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00533
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Idling speed control
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Adaption limit exceeded
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Throttle valve positioner/potentiometer G88 defective
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- Check G88
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checking throttle valve control part
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Adaption limit not reached
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Unmetered air between air mass meter (G70) and engine
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- Check intake air system for leaks
(unmetered air) => Page 24-84
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00540
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Knock sensor 2 -G66
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Open circuit/short to earth
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G66 defective
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- Replace G66 => Page 28-8
, item 20
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Wiring open circuit/short to earth in sensor wire to earth
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- Check G66 => Page 28-14
, checking knock sensors
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No knock recognition from Motronic control unit (J220)
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- If necessary replace J220
=> Page 24-7
, item 6
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00543
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Maximum engine speed exceeded
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Signal too large
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Engine speed has reached governed speed (governor has cut-in)
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- Erase fault memory
=> Page 01-10
, interrogating and erasing fault memory
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Signal from engine speed sender (G28) disrupted
G28 sender wheel loose or defective
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- Check G28 => Page 24-57
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00545
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Engine/gearbox electrical connection
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Short to earth
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Wire has short to earth
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- Locate and eliminate short circuit using current flow diagram:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00553
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Air mass meter -G70
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Open circuit/short to earth
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G70 defective
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- Replace G70 => Page 24-19
, item 4
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Wiring open circuit/short to earth
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- Check G70 => Page 24-27
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Short to positive
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Wire or G70 has short to positive
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Unmetered air between G70 and engine
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- Check intake air system for leaks
(unmetered air) => Page 24-84
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00561
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Mixture adaption
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Adaption limit
(add) exceeded
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- Fuel tank empty
- Fuel pressure too low
- Fuel pump defective
- Wrong signal from air mass meter (G70)
- Unmetered air after G70
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- Fill vehicle with petrol
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Adaption limit
(mul) exceeded
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- Lambda regulation faulty
- Leaks in the exhaust system up to catalyst
- Activated charcoal filter solenoid valve (N80) sticking
- Injectors defective (coked, blocked)
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- Check Lambda probe and Lambda regulation
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00561
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Mixture adaption
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Adaption limit
(add) not reached
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- Fuel pressure too high
- False signal from air mass meter (G70)
- Fuel in engine oil (short journeys)
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- Check fuel pressure regulator
=> Page 24-27
Motorway drive for 15 min. or carry out oil change
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Adaption limit
(mul) not reached
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- Lambda regulation faulty
- Injector(s) defective (not closing fully)
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- Check Lambda probe and Lambda regulation
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Note on fault code 00561:
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◆ add = additive - The fault (e.g. unmetered air) has less effect as engine speed increases.
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◆ mul = multiplicative - The fault (e.g. injector fault) has more effect as the engine speed increases.
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00577
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Knock control Cyl. 1
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Control limit exceeded
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Fuel pressure not OK
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- Check fuel pressure regulator
=> Page 24-77
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Misfiring
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- Check ignition part components
=> Page 28-1
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Intake air system leaking (unmetered air)
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- Check intake air system for leaks (unmetered air) => Page 24-84
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Injector(s) (N30...N33 and N83) defective, leaking
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- Check N30...N33 and N83
=> Page 24-65
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00578
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Knock control Cyl. 2
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- => Knock control Cyl. 1
Fault code 00577
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- => Knock control Cyl.
Fault code 00577
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