NHTSA ID Number: 10203511
Manufacturer Communication Number: QRSB AUDI
A7
TSB/Document Date: 2021-11-15
Summary
Quick reference specification book.
P0134
O2 Sensor Heated Circuit,
Bank 1, Sensor 1
No Activity Detected /
Feedback Check
• Integrated oxygen sensor
temperature > 330000 1117476 K
• Oxygen sensor heating = not
active
P0135
O2 Sensor Heater Circuit
Bank 1 Sensor 1 Malfunction
• Sensor element temperature
< 720 or > 840 °C
• Power stage active and signal
current = -100 to 10000 uA
• Power stage not active and
signal current = -1000 to -350
uA
• Power stage not active and
signal current = -100 to 100 uA
P016A
Control Intervention = 0 %
P0171
Fuel Trim, System Lean
Fuel Mass Correction Value =
< -0.01 [g/rev]
P0172
Fuel Trim, System Rich
Fuel Mass Correction Value =
> 0.01 [g/rev]
DTC Chart
P0123
Audi A7 Reference Specification Book
•
September 2013
253
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0181
Fuel Temperature Sensor
Circuit Range/Performance
• Number of Dected Faults
≥ 6.00[-]
Cross checks for fault detection:
• FTS vs. ECT @ cylinder head
> 35 K
• FTS vs. IAT > 35K
• FTS vs. EOT > 35 K
• FTS vs. AAT > 35K
• FTS vs. ECT @ radiator outlet
> 35 K
• FTS vs. ECT @ cylinder block
> 35 K
• FTS vs. TEGR > 35 K
P0182
Fuel Temperature Sensor
Circuit Grounded
Signal Voltage < 0.10 V
P0183
Fuel Temperature Sensor
Circuit Shorted to Battery
Voltage / Open
Signal Voltage > 4.9 V
P0191
Fuel Rail Pressure Sensor
Circuit Range/Performance
Signal voltage < 0.428 V or
> 0.613 V
P0192
Fuel Rail Pressure Sensor
Circuit Low Input
Signal voltage < 0.2 V
P0193
Fuel Rail Pressure Sensor
Circuit High Input
Signal voltage > 4.8 V
P01BA
Engine Oil Temperature
Sensor 2 Performance
• EOT cross checks for fault
detection: ≥ 6 detected faults
• EOT vs. ECT 3, IAT, FTS, AAT
or ECT 2 > 30 Kelvin
P01BB
Engine Oil Temperature
Sensor 2 Circuit Low
Signal voltage < 0.20 V for ≥ 5
Sec.
P01BC
Engine Oil Temperature
Sensor 2 Circuit Intermittent/
Erratic
Signal voltage > 4.85 V for ≥ 5
Sec.
P01BD
Engine Oil Temperature
Sensor 2 Circuit Intermittent/
Erratic
• Oil temperature increase
< 3.0 K
• Oil temperature < 66 °C
• Evaluation timer > 59 - 251 s
P01E3
Engine Temperature Control
Sensor Circuit Shorted to
Battery Voltage
Signal voltage > 4.92 V
P01E4
Engine Temperature Control
Sensor Circuit Range/
Performance
ETC vs IAT or AAT or FTS at
start up > 35 K
254
Audi A7 Reference Specification Book
•
September 2013
DTC
Error Message
Malfunction Criteria and
Threshold Value
Engine Temperature Control
Sensor Circuit Grounded
Signal voltage < 0.22 V
P0201
Cylinder 1 Injector Circuit
Malfunction
• Open circuit signal voltage
> 60 V
• Short to battery voltage (low
side) signal voltage = failure
• Short circuit over load signal
voltage > 30 v
Short circuit low side:
• Deviation between set and
actual signal voltage after
charging, Injector voltage
> 30% of nominal voltage
• Deviation between set and
actual signal voltage before
charging, Injector voltage
> 45% of nominal voltage
P0202
Cylinder 2 Injector Circuit
Malfunction
• Open circuit signal voltage
> 60 V
• Short to battery voltage (low
side) signal voltage = failure
• Short circuit over load signal
voltage > 30 V
Short circuit low side:
• Deviation between set and
actual signal voltage after
charging, Injector voltage
> 30% of nominal voltage
• Deviation between set and
actual signal voltage before
charging, Injector voltage
> 45% of nominal voltage
DTC Chart
P01E5
Audi A7 Reference Specification Book
•
September 2013
255
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0203
Cylinder 3 Injector Circuit
Malfunction
• Open circuit signal voltage
> 60 V
• Short to battery voltage (low
side) signal voltage = failure
• Short circuit over load signal
voltage > 30 V
Short circuit low side:
• Deviation between set and
actual signal voltage after
charging, Injector voltage
> 30% of nominal voltage
• Deviation between set and
actual signal voltage before
charging, Injector voltage
> 45% of nominal voltage
P0204
Cylinder 4 Injector Circuit
• Open circuit signal voltage
> 60 V
• Short to battery voltage (low
side) signal voltage = failure
• Short circuit over load signal
voltage > 30 V
Short circuit low side:
• Deviation between set and
actual signal voltage after
charging, Injector voltage
> 30% of nominal voltage
• Deviation between set and
actual signal voltage before
charging, Injector voltage
> 45% of nominal voltage
P0205
Cylinder 5 Injector Circuit
• Open circuit signal voltage
> 60 V
• Short to battery voltage (low
side) signal voltage = failure
• Short circuit over load signal
voltage > 30 V
Short circuit low side:
• Deviation between set and
actual signal voltage after
charging, Injector voltage
> 30% of nominal voltage
• Deviation between set and
actual signal voltage before
charging, Injector voltage
> 45% of nominal voltage
256
Audi A7 Reference Specification Book
•
September 2013
Error Message
Malfunction Criteria and
Threshold Value
P0206
Cylinder 6 Injector Circuit
• Open circuit signal voltage
> 60 V
• Short to battery voltage (low
side) signal voltage = failure
• Short circuit over load signal
voltage > 30 V
Short circuit low side:
• Deviation between set and
actual signal voltage after
charging, Injector voltage
> 30% of nominal voltage
• Deviation between set and
actual signal voltage before
charging, Injector voltage
> 45% of nominal voltage
P0234
Turbo Charger Overboost
Condition Limit Exceeded
Control deviation < -22 kPa
P0236
Turbocharger Boost Pressure
Sensor Circuit Performance
Absolute value of pressure
difference > 14 kPa
P0237
Turbocharger Boost Pressure
Sensor Circuit Low Input
Sensor voltage < 0.40 V
P0238
Turbocharger Boost Pressure
Sensor Circuit High Input
Sensor voltage > 4.90 V
P026A
Charge Air Cooler Below
Efficiency
Filtered chare air cooler
efficiency < 7[-]
P0263
Cylinder 1 Contribution /
Balance
Internal Check
Diagnostic signal from power
stage = Failure
P0266
Cylinder 2 Contribution /
Balance
Internal Check
• Diagnostic signal from power
stage = Failure
• Adaptive Value Limit High
> 213 - 412 [µs]
• Adaptive Value Limit Low
< 213 - 412 [µs]
P0269
Cylinder 3 Contribution /
Balance
Internal Check
• Diagnostic signal from power
stage = Failure
• Adaptive Value Limit High
> 213 - 412 [µs]
• Adaptive Value Limit Low
< 213 - 412 [µs]
Audi A7 Reference Specification Book
•
September 2013
257
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0272
Cylinder 4 Contribution /
Balance
Internal Check
• Diagnostic signal from power
stage = Failure
• Adaptive Value Limit High
> 213 - 412 [µs]
• Adaptive Value Limit Low
< 213 - 412 [µs]
P0275
Cylinder 5 Contribution /
Balance
Internal Check
• Diagnostic signal from power
stage = Failure
• Adaptive Value Limit High
> 213 - 412 [µs]
• Adaptive Value Limit Low
< 213 - 412 [µs]
P0278
Cylinder 6 Contribution /
Balance
Internal Check
• Diagnostic signal from power
stage = Failure
• Adaptive Value Limit High
> 213 - 412 [µs]
• Adaptive Value Limit Low
< 213 - 412 [µs]
P0299
Turbo Boost Pressure Control
rationality check High
• Differential set value boost
pressure vs. actual boost
pressure value: depending on
ECT > 30 - 100 [kPa]
• Differential set value boost
pressure vs. actual boost
pressure value: depending on
engine speed and fuel quantity
> 35 - 100 [kPa]
• Boost pressure < 0 - 85 [kPa]
P2002
Particulate Trap Efficiency
Below Threshold
• Differential pressure
< f (volumetric flow rate, soot
load)
or
• Differential pressure
< f (volumetric flow rate)
P2004
Intake Manifold Runner
Control (Bank 1) Stuck Open
• Control deviation > 10%
• Actual position ≤ 40%
P2005
Intake Manifold Runner
Control (Bank 2) Stuck Open
• Control deviation > 10%
• Actual position ≤ 40%
P2006
Intake Manifold Runner
Control (Bank 1) Stuck Closed
• Control deviation > 10%
• Actual position ≤ 40%
P2007
Intake Manifold Runner
Control (Bank 2) Stuck Closed
• Control deviation > 10%
• Actual position ≤ 40%
258
Audi A7 Reference Specification Book
•
September 2013
Error Message
Malfunction Criteria and
Threshold Value
P2008
Intake Manifold Runner
Control (Bank 1) Stuck Open
• Diagnostic signal from power
stage > 0.8 V (output 1) and
< 2 V (output 2)
or
• Diagnostic signal from power
stage = 8 to 18 A
or
• Diagnostic signal from power
stage > 5 V or < 3.4 V
P2009
Intake Manifold Runner (Bank
1) Control Circuit Low
Diagnostic signal from power
stage 8 to 18 A
P2010
Intake Manifold Runner
Control Circuit High (Bank 1
Diagnostic signal from power
stage = 8 to 18 A
P2011
Intake Manifold Runner (Bank
2) Control Circuit Stuck Open
• Diagnostic signal from power
stage > 0.8 V (output 1) and
< 2 V (output 2)
or
• Diagnostic signal from power
stage = 8 to 18 A
or
• Diagnostic signal from power
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TSB/Document ID: QRSB AUDI A7
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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