1995 AUDI A4 AEB Engine OBD and DTC

operating temperature.
Pa
ge 25 of 57 On Board Dia
gnostic
(OBD
)
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01-18

Diagnostic Trouble Code
(DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P0102 16486 Mass or Volume Air Flow Circ.
Low Input 2
Dcy - Check Mass Air Flow (MAF) sensor -G70-
Page 24
-57

P0103 16487 Mass or Volume Air Flow Circ.
High Input
P0107 16491 Manifold Abs. Pressure or Bar.
Pressure
Low Input 2
Dcy - Check Manifold Absolute Pressure (MAP) sensor
-G71- Page 24
-131

P0108 16492 Manifold Abs. Pressure or Bar.
Pressure
High Input
P0112 16496 Intake Air Temp. Circ.
Low Input 2
Dcy - Check Intake Air Temperature (IAT) sensor -G42-
Page 24
-69

P0113 16497 Intake Air Temp. Circ.
High Input
P0116 16500 Engine Coolant Temp. Circ.
Range/Performance 2
Dcy - Check Engine Coolant Temperature (ECT)
sensor -G62- Page 24
-63

P0117 16501 Engine Coolant Temp. Circ.
Pa
ge 26 of 57 On Board Dia
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Low Input
P0118 16502 Engine Coolant Temp. Circ.
High Input
Pa
ge 27 of 57 On Board Dia
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01-19

Diagnostic Trouble Code
(DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P0121 16505 Throttle/Pedal Pos. Sensor A
Circ.
Range/Performance 2
Dcy - Check Throttle Position (TP) sensor -G69- Page 24
-99

P0122 16506 Throttle/Pedal Pos. Sensor A
Circ.
Low Input
P0123 16507 Throttle/Pedal Pos. Sensor A
Circ.
High Input
P0130 16514 O2 Sensor Circ., Bank1-
Sensor1
Malfunction 2
Dcy - Check Heated Oxygen Sensor (HO2S) -G39- and
O2S control Page 24
-17

P0131 16515 O2 Sensor Circ., Bank1-
Sensor1
Low Voltage
P0132 16516 O2 Sensor Circ., Bank1-
Sensor1
High Voltage
Pa
ge 28 of 57 On Board Dia
gnostic
(OBD
)
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P0133 16517 O2 Sensor Circ., Bank1-
Sensor1
Slow Response 2
Dcy - Check Heated Oxygen Sensor (HO2S) aging
Page 24
-51

P0134 16518 O2 Sensor Circ., Bank1-
Sensor1
No Activity Detected 2
Dcy - Check HO2S -G39- and O2S control Page 24
-17
Pa
ge 29 of 57 On Board Dia
gnostic
(OBD
)
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01-20

Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P0136 16520 O2 Sensor Circ., Bank1-
Sensor2
Malfunction 2
Dcy - Check Oxygen Sensor (O2S) behind Three Way Catalytic
Converter (TWC) -G130- Page 24
-35

P0137 16521 O2 Sensor Circ., Bank1-
Sensor2
Low Voltage
P0138 16522 O2 Sensor Circ., Bank1-
Sensor2
High Voltage
P0140 16524 O2 Sensor Circ., Bank1-
Sensor2
No Activity Detected
Pa
ge 30 of 57 On Board Dia
gnostic
(OBD
)
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pair&id=AUDI.B5.FU02.01.1

01-21

Diagnostic Trouble Code
(DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P0300 16684 Random/Multiple Cylinder
Misfire Detected 2 Dcy /
blink - Fuel level too low, check fuel level and add
if necessary
- Check misfire detection Page 28
-12
- Check fuel injectors Page 24
-87
- Output Diagnostic Test Mode (DTM)
Page 01
-42

- Check engine speed (RPM) sensor -G28-
Page 24
-75

P0301 16685 Cyl. 1
Misfire Detected
P0302 16686 Cyl. 2
Misfire Detected
P0303 16687 Cyl. 3
Misfire Detected
P0304 16688 Cyl. 4
Misfire Detected
P0321 16705 Ign./Distributor Eng. Speed Inp.
Circ. 2 Dcy
- Check engine speed (RPM) sensor -G28-
Pa
ge 31 of 57 On Board Dia
gnostic
(OBD
)
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Range/Performance
Page 24
-75

P0322 16706 Ign./Distributor Eng. Speed Inp.
Circ.
No Signal Immed.
Note on misfire malfunctions:
For malfunctions that may be caused by low fuel volume (i.e. combustion misfire) a low-fuel malfunction (DTC "P1250") is also
stored when there is less than 2 gallons of fuel remaining in the tank.
Pa
ge 32 of 57 On Board Dia
gnostic
(OBD
)
11/19/2002 htt
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yp
e=re
pair&id=AUDI.B5.FU02.01.1