console
134

Audi Q7 Quick Reference Specification Book

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Nm
9
3
2.5
4.5
2
6
15
3
4
1.2
4.5
2

September 2013

DTC Chart
Engine Code - CNRB
Fuel and Air Mixture, Additional
Emissions Regulations
Error Message

Malfunction Criteria and
Threshold Value

P0045

Turbocharger/Supercharger
Diagnostic signal from power
Boost Control "A" Circuit/Open stage > 0.8 V (Out 1) and < 2 V
(Out 2)

P0047

Turbocharger/Supercharger
Boost Control "A" Circuit Low

Signal current > 8.00 to 18.00 A

P0048

Turbocharger/Supercharger
Boost Control "A" Circuit High

Signal current > 8.00 to 18.00 A

P0071

Ambient Air Temperature
Sensor Circuit "A" Range/
Performance

• Number of detected faults
≥ 6.00
Cross Checks for Fault
Detection
• AAT (Outside AIr Temperature)
vs. ECT @ cylinder head
> 40.0 K
• AAT (Outside AIr Temperature)
vs IAT > 35.0 K
• AAT (Outside AIr Temperature)
vs FTS > 35.0 K
• AAT (Outside AIr Temperature)
vs EOT > 35.0 K
• AAT (Outside AIr Temperature)
vs ECT @ radiator outlet
> 35.0 K
• AAT (Outside AIr Temperature)
vs ECT @ Cylinder block
> 35.0 K

P0072

Ambient Air Temperature
Sensor Circuit "A" Low

AAT (Outside Temperature
Sensor) signal short to ground

P0073

Ambient Air Temperature
Sensor Circuit "A" High

AAT (Outside Temperature
Sensor) signal short to battery /
open circuit

P0087

Fuel Rail/System Pressure Too Low Bank 1

• Positive control deviation step
1 > 17000 - 50000 kPa
• Positive control deviation step
2 > 15000 kPa
• Minimum Fuel Rail Pressure
< 0.00 - 12500 kPa

Audi Q7 Quick Reference Specification Book

•

September 2013

135

DTC Chart

DTC

DTC

Error Message

Malfunction Criteria and
Threshold Value

P0088

Fuel Rail/System Pressure Too High

• Control deviation < -20,000 to
-30,000 kPa
• Pressure > 215,000 kPa

P0090

Fuel Pressure Regulator 1
Control Circuit/Open

Signal voltage < 4.70 V

P0091

Fuel Pressure Regulator 1
Control Circuit Low

Signal voltage 2.97 V

P0092

Fuel Pressure Regulator 1
Control Circuit High

Signal Current > 3.0 A

P00AF

Turbocharger/Supercharger
Boost Control "A" Module
Performance

• Control deviation > 8.00%
or
• Control deviation < -8.00%
• Actual position ≤ 30.0%
or
• Control deviation < -8.00%
• Actual position > 30.0%
• Mean amplitude of air mass
(characteristic value) < 0.190
to 5.505%

P00C6

Fuel Rail Pressure Too Low Engine Cranking Bank 1

Rail high pressure < 12000.00
to 23000.00 kPa

P0101

Mass or Volume Air Flow
Sensor "A" Circuit Range/
Performance

• Ratio of modeled and
measured air mass flow < 0.85
• Ratio of modeled and
measured air mass flow > 1.15

P0102

Mass or Volume Air Flow
Sensor "A" Circuit Low

MAF sensor signal < 83.0 µs

P0103

Mass or Volume Air Flow
Sensor "A" Circuit High

MAF sensor signal > 4500.0 µs

P0104

Mass or Volume Air Flow
Sensor "A" Circuit Intermittent

MAF sensor signal period failed

136

Audi Q7 Quick Reference Specification Book

•

September 2013

Error Message

Malfunction Criteria and
Threshold Value

P0111

Intake Air Temperature Sensor • Number of detected faults
1 Circuit Range/Performance
≥ 6.00
Bank 1
Cross Checks for Fault
Direction:
• IAT vs. ECT @ cylinder head
> 35.0 K
• IAT vs. AAT (Outside Air
Temperature) > 35.0 K
• IAT vs. FTS > 35.0 K
• IAT vs. EOT > 35.0 K
• IAT vs. ECT @ radiator outlet
> 35.0 K
• IAT vs. ECT @ cylinder block
> 35.0 K

P0112

Intake Air Temperature Sensor Signal voltage < 0.10 V
1 Circuit Low Bank 1

P0113

Intake Air Temperature Sensor Signal voltage > 3.255 V
1 Circuit High Bank 1

P0116

Engine Coolant Temperature
Sensor 1 Circuit Range/
Performance

• ECT increase < 2.00° C
• ECT < 66.0° C
• Evaluation timer > 80.0 to
1200.0 Sec
• Number of detected faults ≥
6.00
Cross Checks for Fault
Detection:
• ECT @ cylinder head vs. IAT
> 35.0 K
• ECT @ cylinder head vs. FTS
> 35.0 K
• ECT @ cylinder head vs. AAT
(Outside Air Temperature)
> 40.0 K
• ECT @ cylinder head vs. ECT
@ radiator outlet > 35.0 K
• ECT @ cylinder head vs. ECT
@ cylinder block > 35.0 K
• ECT @ cylinder head vs. EOT
> 35.0 K

P0117

Engine Coolant Temperature
Sensor 1 Circuit Low

Signal voltage < 0.22 V

P0118

Engine Coolant Temperature
Sensor 1 Circuit High

Signal voltage > 4.92 V

Audi Q7 Quick Reference Specification Book

•

September 2013

137

DTC Chart

DTC

DTC

Error Message

Malfunction Criteria and
Threshold Value

P0121

Throttle/Pedal Position
Sensor/Switch "A" Circuit
Range/Performance

• Position sensor signal 0.15 to
0.30 V
Out of range:
• Position sensor signal > 1.00 V

P0122

Throttle/Pedal Position
Sensor/Switch "A" Circuit Low

Position sensor signal < 0.15 V

P0123

Throttle/Pedal Position
Position sensor signal ≥ 4.85 V
Sensor/Switch "A" Circuit High

P0128

Coolant Thermostat
(Coolant Temperature Below
Thermostat Regulating
Temperature)

ECT @ cylinder head < 66.0° C

P0130

O2 Sensor Circuit Bank 1
Sensor 1

Short to Battery Voltage:
• Virtual mass (VM) > 3.00 V
• Nernst voltage (UN) > 4.00 V
• Adjustment voltage (IA/IP)
>1.50 V
Shorted to Ground:
• Virtual mass (VM) < 2.00 V
• Nernst voltage (UN) < 1.75 V
• Adjustment voltage (IA/IP)
< 0.30 V

P0132

O2 Sensor Circuit High
Voltage Bank 1 Sensor 1

Signal voltage > 3.20 V

P0133

O2 Sensor Circuit Slow
Response Bank 1 Sensor 1

• Time to reach 0 to 60% oxygen
> 4.00 Sec.

P0134

O2 Sensor Circuit No Activity
Detected Bank 1 Sensor 1

• Integrated oxygen sensor
temperature > 280000 to
917491 K
• Oxygen sensor heating not
active

P0135

O2 Sensor Heater Circuit
Bank 1 Sensor 1

• Signal current > 2.20 A
Short to ground
• Signal voltage < 2.15 V
Open circuit
• Signal voltage > 4.40 V
Rationality check
• O2S ceramic temp > 840.0° C
• O2S ceramic temp < 720.0° C

P016A

Excessive Time To Enter
Closed Loop Air/Fuel Ratio
Control

Control intervention 0%

138

Audi Q7 Quick Reference Specification Book

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September 2013

Error Message

Malfunction Criteria and
Threshold Value

P0171

System Too Lean Bank 1

Fuel mass correction value
35 K
• FTS vs. IAT > 35.0 K
• FTS vs. EOT > 35.0 K
• FTS vs. AAT > 45 K
• FTS vs. ECT @ radiator outlet
> 35.0 K
• FTS vs. ECT @ cylinder block
> 35.0 K

P0182

Fuel Temperature Sensor "A"
Circuit Low

Signal voltage < 0.10 V

P0183

Fuel Temperature Sensor "A"
Circuit High

Signal voltage > 4.90 V

P0191

Fuel Rail Pressure Sensor
Circuit Range/Performance
Bank 1

• Adaptation factor of Fuel Rail
Pressure Regulator Valve
> 125.31%
• Adaptation factor of Fuel Rail
Pressure Regulator Valve
< 83.20%
• Offset plausibility check, signal
voltage either < 0.428 V or
> 0.613 V

P0192

Fuel Rail Pressure Sensor A
Circuit Low Input

Signal voltage < 0.2 V

P0193

Fuel Rail Pressure Sensor
Circuit High Bank 1

Signal voltage > 4.80 V

P01BA

Engine Oil Temperature
Sensor "B" Range/
Performance

• EOT cross checks for fault
detection: ≥ 6 detected faults
• EOT vs. ECT 3, IAT, FTS, AAT
or ECT 2 > 35 Kelvin

P01BB

Engine Oil Temperature
Sensor "B" Circuit Low

Signal voltage < 0.20 V for ≥ 5
sec.

P01BC

Engine Oil Temperature
Sensor "B" Circuit High

Signal voltage > 4.85 V for ≥ 5
Sec.

Audi Q7 Quick Reference Specification Book

•

September 2013

139

DTC Chart

DTC

DTC

Error Message

Malfunction Criteria and
Threshold Value

P01BD

Engine Oil Temperature
• Oil temperature increase
Sensor "B" Circuit Intermittent/
< 3.0 K
Erratic
• Oil temperature < 66° C
• Evaluation timer > 59.0 to
1490 Sec

P01E3

Engine Coolant Temperature
Sensor 3 Circuit

Signal voltage > 4.92 V

P01E4

Engine Temperature Control
Sensor Circuit Range/
Performance

• Number of detected faults
≥ 6.00
Cross Checks for Fault
Detection:
• ETC @ cylinder block vs. IAT
> 35.0 K
• ECT @ cylinder block vs FTS
> 35.0 K
• ECT @ cylinder block vs AAT
(Outside Air Temperature)
> 35.0 K
• ECT @ cylinder block vs ECT
@ radiator outlet > 35.0 K
• ECT @ cylinder block vs ECT
@ Cylinder head > 35.0 K
• ECT @ cylinder block vs EOT
> 35.0 K

P01E5

Engine Coolant Temperature
Sensor 3 Circuit Low

Signal voltage < 0.22 V

P0201

Cylinder 1 Injector "A" Circuit