1995 AUDI A8 sensor

01-36

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



P1196 17604 O2 Sensor Heater Circ.,
Bank1-Sensor1
Electrical Malfunction 2 Dcy
- Check Oxygen Sensor (O2S) heater -Z19- (bank 1,
sensor 1) page 24
-34

P1197 17605 O2 Sensor Heater Circ.,
Bank2-Sensor1
Electrical Malfunction 2 Dcy
- Check Oxygen Sensor (O2S) heater -Z28- (bank 2,
sensor 1) page 24
-34

P1198 17606 O2 Sensor Heater Circ.,
Bank1-Sensor2
Electrical Malfunction 2 Dcy
- Check Oxygen Sensor (O2S) heater -Z29- (bank 1,
sensor 2) page 24
-52

P1199 17607 O2 Sensor Heater Circ.,
Bank2-Sensor2
Electrical Malfunction 2 Dcy
- Check Oxygen Sensor (O2S) heater -Z30- (bank 2,
sensor 2) page 24
-52

P1213 17621 Cyl.1-Fuel Inj. Circ.
Short to B+ Immed.
- Check fuel injectors page 24
-102
and Output
Diagnostic Test Mode (DTM) page 01
-51

P1214 17622 Cyl.2-Fuel Inj. Circ.
Short to B+
- Check fuel injectors page 24
-102
and Output
Diagnostic Test Mode (DTM) page 01
-51

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01-40

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



P1250 17658 Fuel Level
Too Low Off
Repair Manual, Electrical Equipment, Repair Group 01 (instrument cluster diagnostics, Read Measuring Value Block)
- Fuel volume less than 2 gallons; add fuel
- Check "fuel level low" signal page 24
-176
- Check fuel level sensor signal and fuel gauge
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.
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01-41

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



P1325 17733 Cyl.1-Knock Contr.
Limit Attained Off
- Check knock sensors and knock sensor control
page 28
-8
P1326 17734 Cyl.2-Knock Contr.
Limit Attained
P1327 17735 Cyl.3-Knock Contr.
Limit Attained
P1328 17736 Cyl.4-Knock Contr.
Limit Attained
P1329 17737 Cyl.5-Knock Contr.
Limit Attained
P1330 17738 Cyl.6-Knock Contr.
Limit Attained
P1337 17745 Camshaft Pos. Sensor,
Bank1
Short to Ground 2
Dcy - Check Camshaft Position (CMP) sensor 2 -G163-
page 28
-5
P1338 17746 Camshaft Pos. Sensor,
Bank1
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01-42

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



P1391 17799 Camshaft Pos.
Sensor, Bank2
Short to Ground 2 Dcy
- Check Camshaft Position (CMP) sensor -G40- page 28
-2
P1392 17800 Camshaft Pos.
Sensor, Bank2
Open Circ./Short to
B+
P1410 17818 Tank Ventilation Valve
Circ.
Short to B+ 2 Dcy
- Check Evaporative Emissions (EVAP) canister purge
regulator valve output Diagnostic Test Mode (DTM), page
01
-51

P1421 17829 Sec. Air Inj. Valve
Circ.
Short to Ground Immed.
- Check Secondary Air Injection (AIR) system output
Diagnostic Test Mode (DTM), page 01
-51

P1422 17830 Sec. Air Inj. Sys.
Contr. Valve Circ.
Short to B+
P1425 17833 Tank Vent Valve
Short to Ground 2 Dcy
- Check Evaporative Emissions (EVAP) canister purge
regulator valve output Diagnostic Test Mode (DTM), page
01
-51

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01-45

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



P1543 17951 Throttle Actuation Potentiometer
Signal too Low 2
Dcy - Check throttle drive and angle sensor
for throttle drive page 24
-136

P1544 17952 Throttle Actuation Potentiometer
Signal too High
P1545 17953 Throttle Pos. Contr.
Malfunction
P1558 17966 Throttle Actuator
Electrical Malfunction

P1559 17967 Idle Speed Contr. Throttle Pos.
Adaptation Malfunction
(Adaptation of throttle valve control module to engine
control module interrupted by application of
accelerator pedal or by starting engine.) Off
- Check adaptation of throttle valve
control module to Engine Control
Module (ECM) page 24
-150

P1560 17968 Maximum Engine Speed Exceeded Off
- Carry out engine mechanical repairs
as necessary
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on, adaptation of the throttle valve control
module -J338- takes place. Adaptation of
throttle valve control module -J338- (with "Basic
Setting" function 04 and display group 60)
page 24
-150
.

In "Basic Setting" display groups 88 or 99,
oxygen sensor control is switched off. This
makes it possible to check for malfunctions that
may be caused by oxygen sensor control being
switched on or off. In the selected display
group, press buttons -4- and -8- to switch back
and forth between "Read Measuring Value
Block" function 08 and "Basic Setting" function
04.
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01-63
Display group 000-evaluation Display field
1
Possible malfunction cause
Corrective action
greater than
204
Engine coolant temperature (ECT) sensor -
G62- - Check ECT sensor page 24
-75
less than 170

Engine coolant temperature (ECT) sensor -
G62- - Check ECT sensor page 24
-75


Coolant thermostat faulty (open)
Repair Manual, 2.8 Liter V6 5V Engine Mechanical,
Repair Group 19 - Check thermostat
Display field
2
Possible malfunction cause
Corrective action
greater than
50
Electrical consumers switched on- Switch off electrical consumers

Oxygen Sensor (O2S) control at limit- Check HO2S and O2S control before TWC page 24
-
22

- Check HO2S aging, bank 1, sensor 1 (before TWC)
page 24
-60

- Check HO2S aging, bank 2, sensor 1 (before TWC)
page 24
-63

less than 20

Intake air leaks ("false air")- Check intake air system for leaks page 24
-126Pa
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01-65

Display field 4
Possible malfunction cause
Corrective action
less than 0 (Not possible) ---
greater than 12

Adaptation of throttle valve control module to
ECM not complete - Check adaptation of throttle valve control
module page 24
-150

greater than 12

Throttle Position (TP) sensor in throttle valve
control module faulty - Check throttle valve control module page 24
-
128

greater than 12

Throttle valve mechanism sticking
Contamination in intake air ducting near throttle
valve - Check by visual inspection and repair as
necessary
greater than 12
Accelerator pedal cable adjustment
Repair Manual, Fuel Supply System, Repair
Group 20
- Adjust accelerator pedal cable
Display fields 5
+ 6
Possible malfunction cause
Corrective action
less than 118

Intake air leaks ("false air") after throttle valve- Check intake air system for leaks page 24
-
126

greater than
138
Increased engine load- Switch off electrical consumers

Throttle valve mechanism sticking
Contamination in intake air ducting near throttle
valve - Check by visual inspection and repair as
necessary
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