NHTSA ID Number: 10205700
Manufacturer Communication Number: Guide
TSB/Document Date: 2021-12-27
Summary
Quick reference specification book.
•
September 2013
159
DTC Chart
DTC
Additional Emissions Regulations
DTC
Error Message
Malfunction Criteria and
Threshold Value
P240F
Exhaust Gas Recirculation
Slow Response
• Calculated characteristical
value (for positive gradients of
desired air flow) > 70
or
• Calculated characteristical
value (for negative gradients of
desired air flow) > 50
P242A
Exhaust Gas Temperature
Sensor Circuit (Bank 1 Sensor
3)
Signal voltage > 1652 mV
P242B
Exhaust Gas Temperature
Sensor Circuit (Bank 1 Sensor
3) Range/Performance
• Temperature difference to EGR
temp, T3, T4, T5, T6 > 60 °K
or
• Mean value of modeled measured T5 > 100 °K
P242C
Exhaust Gas Temperature
Sensor Circuit Low (Bank 1
Sensor 3)
Signal voltage < 330 mV
P2425
Exhaust Gas Recirculation
Cooling Valve Control Circuit
Open
Diagnostic signal from power
stage > 4.5 V
P2426
Exhaust Gas Recirculation
Cooling Valve Control Circuit
Low
Diagnostic signal from power
stage < 2.97 V
P2427
Exhaust Gas Recirculation
Cooling Valve Control Circuit
Shorted Battery Voltage
Diagnostic signal from power
stage > 2.2 A
P244C
Exhaust Temperature Too
Low For Particulate Filter
Regeneration (Bank 1)
Time to closed loop 120 - 300
Sec.
P245B
Exhaust Gas Recirculation
Cooler Bypass Control Circuit
Range/Performance
• Positive difference between
measured and target
temperature too high = 10.0 70.0 [K]
or
• Negative difference between
measured and target
temperature too low = -12.0
-7.0 [K]
P2452
Diesel Particulate Filter
Differential Pressure Sensor
Circuit
Sensor voltage > 4.9 V
160
Audi
Q7 Quick Reference Specification Book
•
September 2013
Error Message
Malfunction Criteria and
Threshold Value
P2453
Diesel Particulate Filter
Differential Pressure Sensor
Circuit Range/Performance
Pressure drop > 3 kPa or < -3
kPa
P2454
Diesel Particulate Filter
Differential Pressure Sensor
Circuit Low
Sensor voltage < 0.2 V
P2458
Diesel Particulate Filter
Regeneration Duration
Time of regen duration
> 3600 Sec
P2459
Diesel Particulate Filter
Regeneration Frequency
Measured soot mass
> f(volumetric flow rate) grams
P246E
Exhaust Gas Temperature
Sensor Circuit (Bank 1 Sensor
4)
Signal voltage > 1652 mV
P246F
Exhaust Gas Temperature
Sensor Circuit (Bank 1 Sensor
4) Range/Performance
• Temperature difference to EGR
temp, T3, T4, T5, T6 > 60 °K
or
• Mean value of modeled measured T5 > 100 °K
P2463
Diesel Particulate Filter - Soot
Accumulation
Calculated particulate matter
trap loading > 40 g
P247A
Exhaust Gas Temperature Out Control deviation (T5) > 200 K
of Range (Bank 1 Sensor 3)
or < -100 K
P2470
Exhaust Gas Temperature
Sensor Circuit Low (Bank 1
Sensor 4)
P24AE
PM Sensor Functional Check / • Current (IDE) @ measurement
Shorted or Open
1 < 2 µA
• Difference between current
(IDE) measurement 1 and 2
or
• Signal voltage positive
connection (IDE) > 4.7 [V]
• Signal voltage positive
connection (IDE) < 0.3 [V]
P24AF
PM Sensor Monitoring,
Rationality Check
• Signal current (IDE) > 5 µA
or
• Accumulated change in heater
voltage ≤ 0.40 V
P24B1
PM Sensor Circuit Shorted or
Open
• Signal voltage negative
connection (IDE) > 4.1 [V]
• Signal voltage negative
connection (IDE) = 0.0 [V]
Signal voltage < 330 mV
Audi Q7 Quick Reference Specification Book
•
September 2013
161
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P24B3
PM Sensor Heater functional
Check
• Heater Coil resistance > 1.06
- 2.31 Ω
• Heater Coil resistance < 2.94
- 5.13 Ω
P24B5
PM Sensor Heater Short to
Ground
• Heater Current < 1.0 A
or
• Heater Current > 15.0 A
P24B6
PM Sensor Heater Short to
Battery Voltage
Heater current ≥ 0.2 A
P24C7
PM Sensor Plausibility Check
Measured sensor temperature
vs. mean value of modeled
temperature < -100 Kelvin
P24CC Reducing Agent Tank Cap
Switch Functional Check
Dosed + Offset amount of
Reducing Agent Mass ≥ 27.2 kg
P24CD Reducing Agent Tank Cap
Switch Circuit Short to Ground
Signal Voltage < 0.65 V
P24CE
Reducing Agent Tank Cap
Switch Circuit Short Battery
Voltage
Signal Voltage > 1.2 V
P24D0
PM Sensor Monitoring, Range
/ Performance Check
Signal range check low:
difference between measured
PM Sensor supply wire voltage
and battery voltage (ECM):
• Value > 1.90 [V]
or
• Value > 2.60 [V]
or
• Value > 3.00 [V]
Signal Range Check High:
difference between measured
battery voltage (ECM) and
Sensor supply wire voltage:
• Value > 3.00 [V]
or
• Value > 2.10 [V]
or
• Value > 1.10 [V]
P2564
Turbocharger Boost Control
Position Sensor Circuit Low
Sensor signal voltage < 0.15 V
P2565
Turbocharger Boost Control
Position Sensor Circuit High
Sensor signal voltage > 4.85 V
162
Audi Q7 Quick Reference Specification Book
•
September 2013
DTC
Error Message
Malfunction Criteria and
Threshold Value
Coolant Pump “B” Control
Circuit/Open
• Open circuit signal voltage
1.8 V
P268A
Fuel Injector Calibration Not
Learned/Programmed
Accumulated global release
time of zero fuel calibration
but disabled by rail pressure
deviation.
P310E
Exhaust Gas Recirculation
Cooler Bypass Valve 2
Implausible Signal
Measured temperature < 0.8
P3348
Turbocharger Control Module
Circuit Malfunction
• Diagnostic signal from power
stage = 8 - 18 A
or
• Diagnostic signal from power
stage > 5 V or < 3.4 V
DTC Chart
P261A
Audi Q7 Quick Reference Specification Book
•
September 2013
163
DTC Chart
Engine Code - CTWA, CTWB
Fuel and Air Mixture, Additional
Emissions Regulations
DTC
Error Message
Malfunction Criteria and
Threshold Value
P000A
A Camshaft Position Slow
Response Bank 1
• Adjustment angle difference
< 5° CA
• Number of checks 10 times
P000C
A Camshaft Position Slow
Response Bank 2
• Adjustment angle difference <
5° CRK
• Number of checks 10 times
P000D
Exhaust (B) Camshaft Position • Difference between target and
- Slow Response (Bank 2)
actual position > 10° - 22°
CRK for 2 - 3 s
• Adjustment angle ≥ 3° CRK
P0010
A Camshaft Position Actuator
Circuit / Open Bank 1
Signal current > 0.8 mA
P0011
A Camshaft Position - Timing
Over-Advanced or System
Performance Bank 1
• Adjustment angle difference
> 10° CA
• Number of checks 3 times
P0016
Crankshaft Position –
Camshaft Position Correlation
Bank 1 Sensor A
Adaptive value > 146° CRK
P0018
Crankshaft Position –
Camshaft Position Correlation
Bank 2 Sensor A
Adaptive value < 84° CRK
P0020
A Camshaft Position Actuator
Circuit / Open Bank 2
Signal current < 0.8 mA
P0021
A Camshaft Position - Timing
Over-Advanced or System
Performance Bank 2
• Adjustment angle difference
> 10° CRK
• Number of checks 3 times
P0030
HO2S Heater Control Circuit
Bank 1 Sensor 1
Heater current (hardware
values) < 8 to 40 mA
P0031
HO2S Heater Control Circuit
Low Bank 1 Sensor 1
Heater voltage (hardware
values) < 1.9 to 2.22 V
P0032
HO2S Heater Control Circuit
High Bank 1, Sensor 1
Heater current (hardware
values) > 8 to 11 A
P0036
HO2S Heater Control Circuit
Bank 1 Sensor 2
Heater current (hardware
values) < 8 to 40 mA
164
Audi Q7 Quick Reference Specification Book
•
September 2013
DTC
Error Message
Malfunction Criteria and
Threshold Value
HO2S Heater Control Circuit
Low Bank 1 Sensor 2
Heater voltage < 1.9 to 2.22 V
P0038
HO2S Heater Control Circuit
High Bank 1 Sensor 2
Heater current (hardware
values) > 3 to 5 A
P0042
HO2S Heater Circuit (Bank 1,
Sensor 3) open circuit SULEV
Heater voltage 4.50 - 5.50 V
P0043
HO2S Heater Control Circuit
Low (Bank 1, Sensor 2) Short
to Ground
Heater voltage < 3 V
P0044
HO2S Heater Control Circuit
High (Bank 1, Sensor 2) Short
to Battery Voltage
Heater current > 2.70 - 5.50 A
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TSB/Document ID: Guide
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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