NHTSA ID Number: 10203513
Manufacturer Communication Number: QRSB Audi
Q7
TSB/Document Date: 2021-11-15
Summary
Quick reference specification book.
• Signal from power stage
> 60.0 V
Short to battery plus (low side)
• Signal voltage failed
Short circuit over load:
• Signal voltage > 30.0 V
Short circuit (low side)
• Deviation between set and
actual signal voltage after
charging > 30.0%
• Deviation between set and
actual signal voltage before
charging. 45.0%
140
Audi Q7 Quick Reference Specification Book
•
September 2013
Error Message
Malfunction Criteria and
Threshold Value
P0202
Cylinder 2 Injector "A" Circuit
• Signal from power stage
> 60.0 V
Short to battery plus (low side)
• Signal voltage failed
Short circuit over load
• Short circuit over load signal
Voltage > 30 V
Short circuit low side:
• Deviation between set and
actual signal voltage after
charging > 30.0%
• Deviation between set and
actual signal voltage before
charging. 45.0%
P0203
Cylinder 3 Injector "A" Circuit
• Signal from power stage
> 60.0 V
Short to battery plus (low side)
• Signal voltage failed
Short circuit over load
• Signal voltage > 30.0 V
• Deviation between set and
actual signal voltage after
charging > 30.0%
• Deviation between set and
actual signal voltage before
charging. 45.0%
P0204
Cylinder 4 Injector "A" Circuit
• Signal from power stage
> 60.0 V
Short to battery plus (low side)
• Signal voltage failed
Short circuit over load
• Signal voltage > 30.0 V
• Deviation between set and
actual signal voltage after
charging > 30.0%
• Deviation between set and
actual signal voltage before
charging. 45.0%
Audi Q7 Quick Reference Specification Book
•
September 2013
141
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0205
Cylinder 5 Injector "A" Circuit
• Signal from power stage
> 60.0 V
Short to battery plus (low side)
• Signal voltage failed
Short circuit over load
• Signal voltage > 30.0 V
• Deviation between set and
actual signal voltage after
charging > 30.0%
• Deviation between set and
actual signal voltage before
charging. 45.0%
P0206
Cylinder 6 Injector "A" Circuit
• Signal from power stage
> 60.0 V
Short to battery plus (low side)
• Signal voltage failed
Short circuit over load
• Signal voltage > 30.0 V
• Deviation between set and
actual signal voltage after
charging > 30.0%
• Deviation between set and
actual signal voltage before
charging. 45.0%
P0234
Turbocharger/Supercharger
"A" Overboost Condition
• Difference set value boost
pressure vs. actual boost
pressure value < -22.0 kPa
or
• Boost pressure > 160.00 to
300.00 kPa
P0236
Turbocharger/Supercharger
Boost Sensor "A" Circuit
Range/Performance
Difference barometric sensor
signal vs. boost pressure signal
> 14.00 kPa
P0237
Turbocharger/Supercharger
Boost Sensor "A" Circuit Low
Sensor voltage < 0.40 V
P0238
Turbocharger/Supercharger
Boost Sensor "A" Circuit High
Sensor voltage > 4.90 V
P0263
Cylinder 1 Contribution/
Balance
• Injection balancing amount per
cylinder. > 0.0005 to 0.006 g/
rev
• Calibration value of injector
energizing time either < 109 to
167 or > 224 412 µs
• Diagnostic signal from power
stage failed
142
Audi Q7 Quick Reference Specification Book
•
September 2013
Error Message
Malfunction Criteria and
Threshold Value
P0266
Cylinder 2 Contribution/
Balance
• Injection balancing amount per
cylinder. > 0.0005 to 0.006 g/
rev
• Calibration value of injector
energizing time either < 109 to
167 or > 224 412 µs
• Diagnostic signal from power
stage failed
P026A
Charge Air Cooler Efficiency
Below Threshold
Filtered charge air cooler
efficiency < 7
P0269
Cylinder 3 Contribution/
Balance
• Injection balancing amount per
cylinder. > 0.0005 to 0.006 g/
rev
• Calibration value of injector
energizing time either < 109 to
167 or > 224 412 µs
• Diagnostic signal from power
stage failed
P0272
Cylinder 4 Contribution/
Balance
• Injection balancing amount per
cylinder. > 0.0005 to 0.006 g/
rev
• Calibration value of injector
energizing time either < 109 to
167 or > 224 412 µs
• Diagnostic signal from power
stage failed
P0275
Cylinder 5 Contribution/
Balance
• Injection balancing amount per
cylinder. > 0.0005 to 0.006 g/
rev
• Calibration value of injector
energizing time either < 109 to
167 or > 224 412 µs
• Diagnostic signal from power
stage failed
P0278
Cylinder 6 Contribution/
Balance
• Injection balancing amount per
cylinder. > 0.0005 to 0.006 g/
rev
• Calibration value of injector
energizing time either < 109 to
167 or > 224 412 µs
• Diagnostic signal from power
stage failed
Audi Q7 Quick Reference Specification Book
•
September 2013
143
DTC Chart
DTC
DTC
P0299
Error Message
Turbocharger/Supercharger
"A" Underboost Condition
Malfunction Criteria and
Threshold Value
• Difference set value boost
pressure vs. actual boost
pressure value: depending on
ECT > 30.00 to 99.90 kPa
• Difference set value boost
pressure vs. actual boost
pressure value: depending on
engine speed and fuel quantity
> 35.00 to 100.00 kPa
• Boost pressure < 0.00 to 85.00
kPa
Start here
P2002
Particulate Trap Bank 1
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%V
P2005
Intake Manifold Runner
Control (Bank 2) Stuck Open
• Control deviation > 10%
• Actual position ≤ 40%V
P2006
Intake Manifold Runner
Control (Bank 1) Stuck Closed
• Control deviation > 10%
• Actual position > 40%V
P2007
Intake Manifold Runner
Control (Bank 2) Stuck Closed
• Control deviation > 10%
• Actual position > 40%V
P2008
Intake Manifold Runner (Bank
1) Control Circuit/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
144
Audi Q7 Quick Reference Specification Book
•
September 2013
Error Message
Malfunction Criteria and
Threshold Value
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
stage > 5 V or < 3.4 V
P2012
Intake Manifold Runner Bank
2 Control Circuit Low
Diagnostic signal from power
stage 8 to 18 A
P2013
Intake Manifold Runner Bank
2 Control Circuit High
Diagnostic signal from power
stage = 8 to 18 A
P2015
Intake Manifold Runner
Position Sensor/Switch Circuit
Range/Performance
• Position sensor signal
< 3550 mV
• Position sensor signal
> 1450 mV
or
• Position sensor signal
> 550 mV and < 250 mV
or
• Position sensor signal
> 4450 mV and < 4750 mV
P2016
Intake Manifold Runner
Position Sensor Circuit Low
Position sensor signal ≤ 250 mV
P2017
Intake Manifold Runner
Position Sensor Circuit High
Position sensor signal
≥ 4750 mV
P202A
Reducing Agent Tank Heater
Control Circuit/Open
Conductance @ start of heating
≤ 0.10 1/Ohm
P202B
Reducing Agent Tank Heater
Control Circuit Low
Conductance @ start of heating
< 0.30 1/Ohm
P202C
Reducing Agent Tank Heater
Control Circuit High
Conductance @ start of heating
> 1.50 1/Ohm
P2020
Intake Manifold Runner
Position Sensor Circuit (Bank
2) Range/Performance
• Position sensor signal
< 3550 mV
• Position sensor signal
1450 mV
or
• Position sensor signal
> 550 mV and < 250 mV
or
• Position sensor signal
> 4450 mV and < 4750 mV
Audi Q7 Quick Reference Specification Book
•
September 2013
145
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P2021
Intake Manifold Runner
Position Sensor Circuit (Bank
2) Low
Position sensor signal ≤ 250 mV
P2022
Intake Manifold Runner
Position Sensor Circuit (Bank
2) High
Position sensor signal
≥ 4750 mV
P203B
Reducing Agent Level Sensor
Circuit Range/Performance
• Signal Voltage not equal Full
Level < 1.76 V or > 2.02 V
or
• Signal Voltage not Equal Half
Full Level , 2.03 V or > 2.31 V
or
• Signal Voltage not Equal
Empty Level < 1.32 V or >
1.53 V
or
• Signal Voltage not Equal SCR
Values < 0.25 V > 2.35 V
P203C
Reducing Agent Level Sensor
Circuit Open or Grounded
Signal Voltage < 0.25 V
P203D
Reducing Agent Level Sensor
Circuit Short to Battery
Voltage
Signal Voltage > 2.35 V
P2031
Exhaust Gas Temperature
Sensor 2 Circuit
Signal voltage > 1652 mV
P2032
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TSB/Document ID: QRSB Audi Q7
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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