P0070

Ambient air temp sensor short
to B+

Ambient air temp 25K - 40K
and
• Difference value AAT - IAT
engine start (depending on
engine-off time) > 25K - 40K

P0072

Ambient air temp sensor short
to ground

Ambient air temp >87.0° C

P0087

Fuel Rail/System Pressure Too Low

• Pressure control activity,
> 4.00 mPa
and
• Fuel trim activity, 1.30 - 16.00
and
• Difference between target
pressure vs. actual pressure,
> -16.38 mPa

P0088

Fuel Rail/System Pressure Too High

Fuel rail pressure > 13.9 MPa

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October 2012

127

DTC Chart

Heater current 2.70 - 5.50 A

DTC

Error Message

Malfunction Criteria and
Threshold Value

P0089

Fuel Pressure Regulator 1
Performance

Actual pressure deviation
• < 100 kPa
• > 100 kPa

P0100

Mass or Volume Air Flow A
Circuit

MAF sensor signal 0 µs

P0101

Mass or Volume Air Flow A
Circuit Range/Performance

• Mass air flow vs lower
threshold model 4500 µs

P0106

Manifold Absolute Pressure/
BARO Sensor Range/
Performance

Boost pressure signal
• < Altitude sensor -210 hPa
• > Altitude sensor 230 hPa

P0111

Intake Air Temperature Sensor • Difference in value between
1 Rationality Check (ULEV)
IAT and ECT at engine start
Only
(depending on engine off time)
> 25 - 40 K
and
• Difference in value between
IAT and AAT at engine start
(depending on engine off time)
> 25 - 40 K

P0112

Intake Air Temperature
(Sensor 1) Circuit Low Input

P0113

Intake Air Temperature Sensor Intake air temperature
1 Circuit High Input
< 45.80°C

128

Intake air temperature
> 141.0°C

Audi A3 Quick Reference Specification Book

•

October 2012

DTC

Error Message

Malfunction Criteria and
Threshold Value

Engine Coolant Temperature
Sensor 1 Circuit Range/
Performance. Only SULEV

Stuck high (140° C):
• No change of signal, 25...40 K

P0117

Engine Coolant Temperature
(Sensor 1) Circuit Low Input

Engine coolant temperature
> 140.30°C

P0118

Engine Coolant Temperature
(Sensor 1) Circuit Open

Engine coolant temperature
< 39.80°C

P0121

Throttle/Pedal Position Sensor • TPS 1 - TPS 2 > 6.30%
A Circuit Range/Performance
and
• Actual TPS 1 calculated value
> actual TPS 2 calculated
value
or
• TPS 1 calculated value
> 9.00%

P0122

Throttle/Pedal Position Sensor Signal voltage < 0.20 V
A Circuit Low Input

P0123

Throttle/Pedal Position Sensor Signal voltage > 4.81 V
A Circuit High Input

P0130

O2 Sensor Circuit (Bank 1,
Sensor 1)

O2S ceramic temperature
< 640°C

P0131

O2 Sensor Circuit (Bank 1,
Sensor 1) Low Voltage

Virtual mass < 2.0 V

DTC Chart

P0116

Nernst voltage < 1.75 V
Adjustment voltage < 0.30 V

P0132

O2 Sensor Circuit (Bank 1,
Sensor 1) High Voltage

Virtual mass > 3 V
Nernst voltage > 4 V
Adjustment voltage > 1.5 V

Audi A3 Quick Reference Specification Book

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October 2012

129

DTC

Error Message

Malfunction Criteria and
Threshold Value

P0133

O2 Circuit Slow Response
(Bank 1, Sensor 1)

• O2S signal front vs. modeled
O2S signal ratio≤ 0.35 and
> 0.01
• Cycles completed, > 12
• B8 ULEV II cycles completed
> 40

P0135

O2 Heater Circuit (Bank 1,
Sensor 1)

• Out of range-high
• O2S ceramic temperature,
< 715° C
and
• Heater duty cycle, 100%
• Rationality check:
• O2S ceramic temperature,
< 715° C
and
• Time after O2S heater on 40 s
• Difference between measured
calibration resistance in ECM
and set value, > 45 Ω

P0136

O2 Circuit (Bank 1, Sensor 2)

• Delta voltage one step at
heater switching > 2.0020 V
• Number of checks 10

P0137

O2S Circuit (Bank 1, Sensor
2) Low Voltage

• Cold condition, Signal voltage,
< 59.6 mV
• Warm condition, signal voltage
1.26 V

P0139

O2 Circuit (Bank 1 Sensor 2)
Slow Response

• EWMA filtered transient time at
fuel cut off > 0.4 Sec.
• In voltage range 401.4 - 201.2
mV
• Number of checks (initial
phase) > 3
• Number of checks (step
function) > 3

130

Audi A3 Quick Reference Specification Book

•

October 2012

Error Message

Malfunction Criteria and
Threshold Value

P013A

O2S Circuit (Bank 1, Sensor
2)
ULEV (Bank 1, Sensor 3)
Slow Response, Rich to Lean

• EWMA filtered transient time at
fuel cut-off, >0.4s
• In voltage range, 401.4...201.2
mV
• Number of checks (initial
phase), >3
• Number of checks (step
function), >3

P0140

O2S Circuit (Bank 1, Sensor
2) No Activity Detected

• Signal voltage 401 - 499 mV
• O2S rear internal resistance
>40 KΩ

P0141

O2 Heater Circuit
(Bank 1, Sensor 2) Out of
Range (ULEV)

Heater resistance 810 - 4560 Ω

P0142

O2S Circuit (Bank 1, Sensor
3) Heater check

• Delta voltage one step at
heater switching, >2.0 V
• Number of checks, 10

P0143

O2S Circuit (Bank 1, Sensor)
Short to ground

• Cold condition, Signal voltage,
< 59.6 mV
• Warm condition, signal voltage
1.26 V

P0144

O2S Circuit (Bank 1, Sensor
3) Short to B +

Signal voltage >1.26 V

P0145

O2 Circuit (Bank 1, Sensor 2)
Slow Response

• EWMA filtered transient time at
fuel cutoff > 0.4 Sec.
• In voltage range 401.4 201.2 mV
• Number of checks (initial
phase) > 3
• Number of checks (step
function) > 3

P0146

O2S Circuit Bank 1, Sensor 3,
Open circuit

• Signal voltage, 401.4 - 499 mV
• Internal resistance, 40 KΩ

P0147

O2S Circuit (Bank 1, Sensor
3) Heater check (SULEV)

Heater resistance 1056 - 11656
Ω

P0171

System (Bank 1) Too Lean

• Lean @ idle Adaptive value
>21%
• Lean @ part-load Adaptive
value 26(only B8 ULEVVII

Audi A3 Quick Reference Specification Book

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October 2012

131

DTC Chart

DTC

DTC

Error Message

Malfunction Criteria and
Threshold Value

P0172

System (Bank 1) Too Rich

• Too rich at idle Adaptive value
6.30%
and
• Actual TPS 2 calculated value
> actual TPS 1 calculated
value
or
• TPS 2 calculated value
> 9.00%

P0222

Throttle/Pedal Position
Sensor/Switch B Circuit Low
Input

Signal voltage < 0.20 V

P0223

Throttle/Pedal Position
Sensor/Switch B Circuit High
Input

Signal voltage > 4.81 V

P0234

Turbocharger/Supercharger
Overboost Condition
Rationality Check High

Difference set value boost
pressure vs actual boost
pressure value, >200...1275
hPa

P0236

Turbocharger Boost Sensor A
Plausability Check (ULEV)

• Difference boost pressure
signal vs altitude sensor
signal, >230 hPa
• Difference boost pressure
signal vs altitude sensor
signal, 4.88 V

P0243

Turbocharger/Supercharger
Wastegate Solenoid A

Signal voltage > 4.40 - 5.60 V

P0245

Turbocharger/Supercharger
Wastegate Solenoid A Low

Signal voltage < 2.15 - 3.25 V

P0246

Turbocharger/Supercharger
Wastegate Solenoid A High

Signal current > 2.20 A

P0261

Cylinder 1 Injector Circuit Low

Signal current < 2.1 A

P0262

Cylinder 1 Injector Circuit High Signal current > 14.70 A

P0264

Cylinder 2 Injector Circuit Low

P0265

Cylinder 2 Injector Circuit High Signal current > 14.70 A

P0267

Cylinder 3 Injector Circuit Low

P0268

Cylinder 3 Injector Circuit High Signal current > 14.70 A

P0270

Cylinder 4 Injector Circuit Low

P0271

Cylinder 4 Injector Circuit High Signal current > 14.70 A

P0299

Turbocharger/Supercharger
Underboost Rationality Check
Low

Difference of set boost pressure
vs. actual boost pressure value
> 150 hPa

P2004

Intake Manifold Runner
Control Stuck Open (Bank 1)

• Normal closed position, unable
to reach
• Signal voltage, 4.65
V
or
• Normal open position, unable
to reach
• Signal voltage, 2.38
V

P2008

Intake Manifold Runner
Control Circuit/Open (Bank 1)

Signal voltage 4.40 - 5.60 V

P2009

Intake Manifold Runner
Control Circuit Shorted
(Bank 1)

Signal voltage 2.15 - 3.25 V

P2010

Intake Manifold Runner
Control Circuit Shorted to B+
(Bank 1)

Signal current > 2.20 A

Signal current < 2.1 A
Signal current < 2.1 A
Low side signal current < 2.1 A

Audi A3 Quick Reference Specification Book