NHTSA ID Number: 10203512
Manufacturer Communication Number: QRSB Audi A8 A8L
TSB/Document Date: 2021-11-15
Summary
Quick reference specification book.
P000C
"A" Camshaft Position Slow
Response (Bank 2)
• Difference between target
position vs. actual position
> 6.00 - 50.00° CRK
• for time > 1.3 - 5.0 Sec
and
• Adjustment angle ≥ 3.00° CRK
P000D
"B" Camshaft Position Slow
Response (Bank 2)
Slow response
• Difference between target
position vs. actual position
> 6.00 - 20.0° CRK
• for time > 1.3 - 7.5 Sec
and
• Adjustment angle ≥ 3.00 °CRK
P00AB Intake Air Temperature Sensor • Difference ECT vs. IAT
1 Bank 1 Circuit Range/
at engine start > 24.8 K
Performance
(depending on engine off time)
and
• Difference IAT vs. AAT
at engine start > 24.8 K
(depending on engine off time)
and
• Difference AAT vs. ECT
at engine start < 24.8 K to
(depending on engine off time
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013 285
DTC Chart
DTC Chart
DTC
Error Message
Malfunction Criteria and
Threshold Value
P00AC Intake Air Temperature Sensor IAT > 138.0° C
1 Bank 2 Circuit Low
P00AD Intake Air Temperature Sensor IAT < -45° C
1 Bank 2 Circuit High
P008A
Low Pressure Fuel System
Pressure - Too Low
Actual pressure, < 40.0 kPa
P008B
Low Pressure Fuel System
Pressure - Too High
Actual pressure, > 900 kPa
P0010
"A" Camshaft Position
Actuator Circuit/Open (Bank1)
Open circuit
• Signal voltage 4.70 to 5.40 V
P0011
A Camshaft Position (Bank1)
Timing over-advanced or
System Performance
Target error
• Difference between target
position vs. actual position
> 6.00 - 50.00° CRK
• for time > 1.3 - 5.0 Sec
• Adjustment angle < 3.00° CRK
P0013
B Camshaft Position Actuator
Circuit/Open (Bank1)
Open circuit
• Signal voltage 4.70 to 5.40 V
P0014
B Camshaft Position (Bank1)
Timing Over-Advanced or
System Performance
• Difference between target
position vs. actual position
> 6.00 to 20.0° CRK
• for time > 1.3 to 7.5 Sec
and
• Adjustment angle < 3.00° CRK
P0016
Crankshaft Position-Camshaft
Position Correlation Bank 1
Sensor A
• Permissible deviation
< -12.00 °CRK
or
• Permissible deviation
> 12.00 °CRK
P0017
Crankshaft Position-Camshaft
Position Correlation Bank 1
Sensor B
• Permissible deviation
< -12.00 °CRK
or
• Permissible deviation
> 12.00 °CRK
P0018
Crankshaft Position-Camshaft
Position Correlation Bank 2
Sensor A
• Permissible deviation
< -12.00 °CRK
or
• Permissible deviation
> 12.00 °CRK
286 Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
Error Message
Malfunction Criteria and
Threshold Value
P0019
Crankshaft Position-Camshaft
Position Correlation Bank 2
Sensor B
• Permissible deviation
< -12.00 °CRK
or
• Permissible deviation
> 12.00 °CRK
P0020
A Camshaft Position Actuator
Circuit (Bank 2)
Open circuit
• Signal voltage 4.70 to 5.40 V
P0021
A Camshaft Position (Bank
2) Timing over-advanced or
System Performance
• Difference between target
position vs. actual position >
6.00 to 50.00° CRK
• for time > 1.3 to 5.0 Sec
and
• Adjustment angle < 3.00° CRK
P0023
B Camshaft Position Actuator
Circuit (Bank 2)
Open circuit
• Signal voltage 0.0 to 3.25
P0024
B Camshaft Position (Bank
2) Timing Over-Advanced or
System Performance
Short to ground
• Difference between target
position vs. actual position
> 6.00 - 20.0° CRK
• for time > 1.3 - 7.5 Sec
and
• Adjustment angle < 3.00° CRK
P0030
2 Sensor Heater Contr. Circ.
(Bank 1 (1) Sensor 1)
Heater voltage 4.70 to 5.40 V
P0031
O2 Sensor Heater Contr. Circ.
(Bank 1 (1) Sensor 1) Low
Heater voltage 0.0 to 3.26 V
P0032
O2 Sensor Heater Contr. Circ.
(Bank 1 (1) Sensor 1) High
Signal current > 5.50 A
P0036
O2 Sensor Heater Contr. Circ.
(Bank 1 (1) Sensor 2)
Heater voltage 2.34 - 3.59 V
P0037
O2 Sensor Heater Contr. Circ.
(Bank 1 (1) Sensor 2) Low
Heater voltage < 2.34 V
P0038
O2 Sensor Heater Contr. Circ.
(Bank 1 (1) Sensor 2) High
Heater current > 3.59 A
P0040
O2 Sensor Signals Swapped
Bank 1 Sensor 1/ Bank 2
Sensor 1
Signal range check (detection
of exchange lambda sensors
upstream catalyst)
P0050
O2 Sensor Heater Contr. Circ.
(Bank 2 Sensor 1)
Heater voltage 4.70 to 5.40 V
P0051
O2 Sensor Heater Contr. Circ.
(Bank 2 Sensor 1) Low
Heater voltage 0.0 to 3.26 V
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013 287
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0052
O2 Sensor Heater Contr. Circ.
(Bank 2 Sensor 1) High
Signal current > 5.50 A
P0056
O2 Sensor Heater Contr. Circ.
(Bank 2 Sensor 2)
Heater voltage 2.34 - 3.59 V
P0057
O2 Sensor Heater Contr. Circ.
(Bank 2 Sensor 2) Low
Heater voltage < 2.34 V
P0058
O2 Sensor Heater Contr. Circ.
(Bank 2 Sensor 2) High
Heater voltage > 3.59 A
P0068
MAP/MAF – Throttle Position
Correlation
Plausibility with fuel system load survey below threshold
• Load calculation < -35%
and
Plausibility with fuel system load survey above threshold
• Load calculation > -35%
P0070
Ambient Air Temperature
Sensor
Ambient air temperature signal:
short to battery / open circuit
failure
P0071
Ambient Air Temperature
Sensor Range/Performance
• Difference ECT vs. IAT
at engine start < 24.8 K
(depending on engine off time)
and
• Difference IAT vs. AAT
at engine start > 24.8 K
(depending on engine off time)
and
• (Depending on engine off
time) and diff. AAT vs. ECT
at engine start > 24.8 K]
(depending on engine off time)
P0072
Ambient Air Temperature
Sensor
Ambient air temperature signal:
short to ground failure
P0087
Fuel Rail/System Pressure Too Low
• Pressure control activity,
> 2.20 MPa
• Fuel trim activity, 0.90 to 16
• Difference between actual
pressure - Target pressure
> 2.20 MPa
288 Audi
A8/A8L/S8 Quick Reference Specification Book • September 2013
Error Message
Malfunction Criteria and
Threshold Value
P0089
Fuel Pressure Regulator 1
Performance
• Difference between actual
pressure vs. target pressure
> 200.00 kP
or
• Difference between actual
pressure - Target pressure
>150 kPa
or
• Pressure control activity
> 280 kPa
or
• Pressure control activity
< -300.00 kPa
P0100
2 MAF Sensors MAF 1 MAF 2
MAF sensor signal 0 µs
P0101
Mass or Volume Air Flow
Circuit Range/Performance
• Air mass too low < -10.00 kg/h
• Air mass too high > 1100.00
kg/h
• Mass air flow vs. lower
threshold model < 0 - 500 kg/h
• Mass air flow vs. upper
threshold model > 25 - 1100
kg/h
• Load calculation > 25%
• and fuel system (mult.) < -16%
• Load calculation < -20%
• and fuel system (mult.) > 25%
P0102
Mass or Volume Air Flow A
Circuit Low Input
• MAF sensor signal < 66 uSec
or
• MAF sensor signal temp
correction < 40 mSec
P0103
Mass or Volume Air Flow A
Circuit High Input
• MAF sensor signal
> 1100 uSec
or
• MAF sensor signal temp
correction < 65 mSec
P010A
MAF sensor signal 0 µs
P010C
Mass or Volume Air Flow "B"
Circuit Low Input
MAF sensor signal < 40 mSec
P010D
2 MAF Sensors MAF 1 MAF 2
MAF Sensor signal temp.correction > 65
Audi
A8/A8L/S8 Quick Reference Specification Book • September 2013 289
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0111
Intake Air Temperature Sensor • Difference ECT vs. IAT
1 Circuit Range/Performance
at engine start > 24.8 K
(depending on engine off time)
and
• Difference IAT vs. AAT
at engine start > 24.8 K
(depending on engine off time)
and
• Difference AAT vs. ECT
at engine start < 24.8 K to
(depending on engine off time
P0112
Intake Air Temperature Sensor IAT > 138.0° C
1 Circuit Low
P0113
Intake Air Temperature Sensor IAT < -45° C
1 Circuit High
P0116
Engine Coolant Temperature
Sensor 1 Circuit Range/
Performance
Stuck high
• No change on signal < 0.0 1.5 K
and
• Signal in range 140° C
Stuck low
• No change on signal < 0.0 to
1.5K
and
• Signal in range (lower
threshold > -44° C
• Signal in range (upper
threshold < 88° C
Stuck in range
• No change on signal < 0.0 to
1.5K
and
• Signal in range (lower
threshold > 89° C
• Signal in range (upper
threshold < 140° C
P0117
Engine Coolant Temperature
Sensor 1 Circuit Low
Short to ground-ECT > 140° C
P0118
Engine Coolant Temperature
Sensor 1 Circuit High
Short to battery positive or open
circuit-ECT < -41° C
290 Audi
A8/A8L/S8 Quick Reference Specification Book • September 2013
Error Message
Malfunction Criteria and
Threshold Value
P0121
Throttle Position Sensor 1
Bank 1 Bank 2
• TPS 1 - TPS 2 > 6.3%
and
• Actual TPS 1 - calc. value
> actual TPS 2 - calc. value
1%
or
• TPS 1 - calc. value > 9%
P0122
Throttle Position Sensor 1
Bank 1 Bank 2
Signal voltage < 0.20 V
P0123
Throttle Position Sensor 1
Bank 1 Bank 2
Signal voltage > 4.81 V
P0130
O2 Sensor Circ.,Bank1Sensor1 Malfunction
O2S ceramic temperature
< 690° C
P0132
O2 Sensor Circ.,Bank1Sensor1 Low Voltage
Short to ground
Virtual mass (VM) < 1.75 V
Nernst voltage (UN) < 1.50 V
Adjustment voltage (IP) < 0.30 V
Audi
A8/A8L/S8 Quick Reference Specification Book • September 2013 291
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TSB/Document ID: QRSB Audi
A8 A8L
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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