NHTSA ID Number: 10214962
Manufacturer Communication Number: Quick Reference
TSB/Document Date: 2022-07-05
Summary
Audi
Quick Reference Specification Guide.
September 2013
253
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P2106
Throttle Actuator Control
System - Forced Limited
Power
Internal check failed
P2122
Throttle/Pedal Position
Sensor/Switch "D" Circuit Low
Signal voltage < 0.65 V
P2123
Throttle/Pedal Position
Signal voltage > 4.79 V
Sensor/Switch "D" Circuit High
P2127
Throttle/Pedal Position
Sensor/Switch "E" Circuit Low
P2128
Throttle/Pedal Position
Signal voltage > 2.43 V
Sensor/Switch "E" Circuit High
P2138
Throttle/Pedal Position
Sensor/Switch "D"/"E" Voltage
Correlation
P2146
Fuel Injector Group "A" Supply • Signal current > 14.90 A
Voltage Circuit/Open
• Signal current < 2.60 A
P2149
Fuel Injector Group "B" Supply • Signal current > 14.90 A
Voltage Circuit/Open
• Signal current < 2.60 A
P2177
System Too Lean Off Idle
Bank 1
P2178
System Too Rich Off Idle Bank • Adaptive value < -26%
1
P2181
Cooling System Performance
Cooling system temp too low
after a sufficient air mass flow
interval 55 - 80° C
P2187
System Too Lean at Idle Bank
1
Adaptive value > 5.02%
P2188
System Too Rich at Idle Bank
1
• Adaptive value < -6.0%
P2195
O2 Sensor Signal Biased/
Stuck Lean Bank 1,
Sensor
Delta lambda of 2nd lambda
control loop > 0.070 [-]
P2196
O2 Sensor Signal Biased/
Stuck Rich Bank 1, Sensor
Delta lambda of 2nd lambda
control loop < -0.070 [-]
254
Signal voltage < 0.28 V
Signal voltage sensor 1 vs. 2
> 0.14 - 0.70 V
• Adaptive value > 26%
Audi A6/S6 Quick Reference Specification Book
•
September 2013
Error Message
Malfunction Criteria and
Threshold Value
P2237
O2 Sensor Positive Current
Control Circuit/Open Bank 1,
Sensor 1
• O2S voltage signal front 1.49
- 1.51 V
and
• Difference between maximum
and minimum value of O2S
voltage signal front < 32.00 V
• Delta lambda controller > 0.10
[-]
or
• Lambda control at min or max
limit
• No reaction on commanded
stepwise change of lambdasetpoint 1
P2243
O2 Sensor Reference Voltage
Circuit/Open Bank 1,
Sensor 1
• O2S signal front < 0.30;
> 3.25 V
• Internal resistance > 1000.00
Ohm
P2251
O2 Sensor Negative Current
Control Circuit/Open Bank 1
Sensor 1
• O2S voltage signal front
1.45 - 1.53 V
and
• Internal resistance > 1000.00
Ohm
P2270
O2 Sensor Signal Biased/
Stuck Lean Bank 1, Sensor 2
Sensor voltage < 0.76 V
P2271
O2 Sensor Signal Biased/
Stuck Rich Bank 1 Sensor 2
Sensor voltage > 0.15 V
P2279
Intake Air System Leak
• Threshold to detect a defective
system > 1.45
and
• Ratio of the tie system
defective during the
measurement window to
the whole duration of the
measurement window > 0.60
P2293
Fuel Pressure Regulator 2
Performance
• Difference between target
pressure vs. actual pressure:
< -2.00 mPa
or
• Difference between target
pressure vs. actual pressure,
> 2.00 mPa
P2294
Fuel Pressure Regulator 2
Control Circuit/Open
Signal voltage 1.40 - 3.20 V
Audi A6/S6 Quick Reference Specification Book
•
September 2013
255
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P2295
Fuel Pressure Regulator 2
Control Circuit Low
Signal voltage < 1.40 V
P2296
Fuel Pressure Regulator 2
Control Circuit High
Signal voltage > 3.20 V
Ignition System
DTC
Error Message
Malfunction Criteria and
Threshold Value
P2300
Ignition Coil "A" Primary
Control Circuit Low
Signal current > 24.0 mA
P2301
Ignition Coil "A" Primary
Control Circuit High
Signal current > 5.1 - 7.0 mA
P2303
Ignition Coil "B" Primary
Control Circuit Low
Signal current > 24.0 mA
P2304
Ignition Coil "B" Primary
Control Circuit High
Signal current > 5.1 - 7.0 mA
P2306
Ignition Coil "C" Primary
Control Circuit Low
Signal current > 24.0 mA
P2307
Ignition Coil "C" Primary
Control Circuit High
Signal voltage > 5.1 - 7.0 mA
P2309
Ignition Coil "D" Primary
Control Circuit Low
Signal current > 24.0 mA
P2310
Ignition Coil "D" Primary
Control Circuit High
Signal voltage > 5.1 - 7.0 mA
Additional Emissions Regulations
DTC
Error Message
Malfunction Criteria and
Threshold Value
P2414
O2 Sensor Exhaust Sample
Error Bank 1, Sensor 1
• Threshold 1 - Signal voltage
3.10 - 4.81 V
• Threshold 2 - Signal voltage
2.5 to 3.10 V
Depending on gain factor,
that actual is used for sensor
characteristic, the threshold is
switched
P2539
Low Pressure Fuel System
Sensor Circuit
Sensor voltage > 4.79 V
256
Audi A6/S6 Quick Reference Specification Book
•
September 2013
DTC
Error Message
Malfunction Criteria and
Threshold Value
Low Pressure Fuel System
Sensor Circuit Low
Sensor voltage < 0.21 V
P2626
O2 Sensor Pumping Current
Trim Circuit/Open Bank 1
Sensor 1
O2S voltage signal front
> 4.81 V
DTC Chart
P2541
Audi A6/S6 Quick Reference Specification Book
•
September 2013
257
DTC Chart
Engine Code CTUA
Fuel and Air Mixture, Additional
Emissions Regulations
DTC
Error Message
Malfunction Criteria and
Threshold Value
P000A
Intake (A) Camshaft Position
Slow Response (Bank 1)
Adjustment angle difference
< 5° CA
P000C
Intake (A) Camshaft Position
Slow Response (Bank 2)
Adjustment angle difference
< 5° CA
P007C
Intake Air Temperature Sensor
after Intercooler 1
Intake Air Temperature > 129 °C
P007D
Intake Air Temperature Sensor
after Intercooler 1
Intake Air Temperature < -40 °C
P00A2
Intake Air Temperature Sensor
after Intercooler 2 Short to
Ground
Intake Air Temperature > 129 °C
P00A3
Intake Air Temperature Sensor
after Intercooler 2 Open
Circuit
Intake Air Temperature < -40 °C
P00A6
Intake Air Temperature Sensor • Difference AAT vs. ECT vs.
after intercooler 2 Open Circuit
CHDT at engine start
S4 Only
< 26.5 °C
and
• Difference IAT vs. CHDT at
engine start > 26.5 °C
and
• Difference IAT vs. AAT at
engine start < 26.5 °C
and
• Difference IAT vs. ECT at
engine start > 26.5 °C
P008A
Low Pressure Fuel System
Pressure - Too Low
Actual pressure < 0.08 MPa
P008B
High Pressure Fuel System
Pressure - Too High
Actual pressure > 1.1 MPa
P0010
Intake (A) Camshaft Position
Actuator Circuit/Open
(Bank 1)
Signal current > 0.8 mA
P0011
Intake (A) Camshaft Position
Timing - Over-Advanced
(Bank 1)
Adjustment angle difference
> 10° CA
258
Audi A6/S6 Quick Reference Specification Book
•
September 2013
Error Message
Malfunction Criteria and
Threshold Value
P0016
Crankshaft Position Camshaft Position Correlation
(Bank 1)
Actual value > 146° CA
P0018
Crankshaft Position Camshaft Position Correlation
(Bank 2)
Actual value < 84° CA
P0020
Intake (A) Camshaft Position
Actuator Circuit/Open
(Bank 2)
Signal current > 0.8 mA
P0021
Intake (A) Camshaft Position
Timing - Over-Advanced
(Bank 2)
Actual value > 10° CA
P0030
HO2S Heater Control Circuit
(Bank 1, Sensor 1) Open
Circuit
Heater current < 8 - < 40 mA
P0031
HO2S Heater Control Circuit
Low (Bank 1, Sensor 1) Short
to Ground
Heater voltage < 1.9 - < 2.22 V
P0032
HO2S Heater Control Circuit
High (Bank 1, Sensor 1) Short
to B+
Heater current > 8 - > 11 A
P0036
HO2S Heater Control Circuit
(Bank 1, Sensor 2) Open
Circuit
Heater current < 8 - < 40 mA
P0037
HO2S Heater Control Circuit
Low (Bank 1, Sensor 2) Short
to Ground
Heater voltage < 1.9 - < 2.22
P0038
HO2S Heater Control Circuit
High (Bank 1, Sensor 2) Short
to B+
Heater current > 3 - > 5 A
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TSB/Document ID: Quick Reference
Replacement Service Bulletin Number:
MFR Communication Date: 2013-09-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
MFR Component System:
MFR Component Subsystem:
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