NHTSA ID Number: 10203511
Manufacturer Communication Number: QRSB AUDI
A7
TSB/Document Date: 2021-11-15
Summary
Quick reference specification book.
measured with AIR pressure
sensor vs. modeled < 0.45 [-]
and
• Relative AIR pressure
measured ≤ 3.00 kPa
or
• Blockage: relative AIR
pressure measured with
AIR pressure sensor vs.
modeled while valve bank 2
commanded closed < 0.70[-]
• Leakage: relative AIR pressure
measured with AIR pressure
sensor vs. modeled while
valve bank 2 commanded
closed < 0.70 [-]
and
• Relative AIR pressure
measured ≤ 3.00 kPa
or
• Average pressure difference
between absolute value and
filtered value while valve bank
2 commanded closed < 0.14 1.22 kPa
and
• Relative AIR pressure
measured ≤ 3.00 kPa
232
Malfunction Criteria and
Threshold Value
Audi A7 Reference Specification Book
•
September 2013
P0492
Error Message
Malfunction Criteria and
Threshold Value
Secondary Air System
Insufficient Flow (Bank 2)
Audi A7 Reference Specification Book
• Blockage: relative AIR
pressure measured with AIR
pressure sensor vs. modeled
< 0.10 [-]
• Leakage: relative AIR pressure
measured with AIR pressure
sensor vs. modeled < 0.10 [-]
and
• Relative AIR pressure
measured ≤ 3.00 kPa
or
• Blockage: relative AIR
pressure measured with AIR
pressure sensor vs. modeled
< 0.45 [-]
• Leakage: relative AIR pressure
measured with AIR pressure
sensor vs. modeled < 0.45 [-]
and
• Relative AIR pressure
measured ≤ 3.00 kPa
or
• Blockage: relative AIR
pressure measured with
AIR pressure sensor vs.
modeled while valve bank 2
commanded closed < 0.70[-]
• Leakage: relative AIR pressure
measured with AIR pressure
sensor vs. modeled while
valve bank 2 commanded
closed < 0.70 [-]
and
• Relative AIR pressure
measured ≤ 3.00 kPa
or
• Average pressure difference
between absolute value and
filtered value while valve bank
2 commanded closed < 0.14 1.22 kPa
and
• Relative AIR pressure
measured ≤ 3.00 kPa
•
September 2013
233
DTC Chart
DTC
Speed and Idle Control
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0501
Vehicle Speed Sensor A
Range/Performance
Speed sensor signal: plausibility
error failure
P0502
Vehicle Speed Sensor A
Electrical check
Speed sensor signal: electrical
error failure
P0503
Vehicle Speed Sensor A Out
of Range/High
Vehicle speed > 200 km/h
P0506
Idle Air Control System - RPM
Lower Than Expected
• Engine speed deviation < -80
RPM
and
• RPM controller torque value ≥
calculated max value
P0507
Idle Air Control System - RPM
Higher Than Expected
• Engine speed deviation
> -80 RPM
and
• RPM controller torque value ≤
calculated max. value
P0597
Map Controlled Engine
Cooling Thermostat Sensor,
Open Circuit
Signal voltage 4.70 - 5.40 V
P0598
Map Controlled Engine
Cooling Thermostat Sensor,
Short to Ground
Signal voltage 0.0 - 3.25 V
P0599
Map Controlled Engine
Cooling Thermostat Sensor,
Short to Battery Voltage
Signal current > 2.20 A
P050A
Idle Air Control System
RPM Higher or Lower Than
Expected
RPM lower:
• Engine speed deviation > 200
RPM
and
• RPM controller torque value ≥
calculated max. value
RPM Higher:
• Engine speed deviation < -200
RPM
and
• RPM controller torque value ≤
calculated min. value
P050B
Ignition Timing Monitor
Difference between commanded
spark timing vs. actual value>
18.00%
234
Audi A7 Reference Specification Book
•
September 2013
DTC
Error Message
Malfunction Criteria and
Threshold Value
P052A
Cold Start Monitoring VVT
intake (Bank 1 Bank 2)
Difference between target
position and actual position
> 8°CA
P052C
Cold Start Monitoring VVT
intake (Bank 1 Bank 2)
Difference between target
position and actual position
> 8°CA
P053F
Rail Pressure Control Valve
• Target pressure-actual
pressure >1.30 MPa
• Difference between target
pressure vs. actual pressure <
-3.00 mPa
P054A
Cold Start Monitoring VVT
exhaust (Bank 1 Bank 2)
Difference between target
position vs. actual position
> 8°CA
P054C
Cold Start Monitoring VVT
exhaust (Bank 1 Bank 2)
Difference between target
position vs. actual position
> 8°CA
Control Module and Output Signals
Error Message
Malfunction Criteria and
Threshold Value
P0601
Internal Control Module
Memory Check Sum Error
Internal check sum, incorrect
P0603
Internal Hardware Check
SPI communication lost
P0604
Internal Control Module
Random Access Memory
(RAM) Error
Write ability check, failed
P0605
Internal Control Module Read
Only Memory (ROM) Error
Checksum incorrect
P0606
ECM Interal fault
• Drive by wire module check
check failed
• EEPROM-check check failed
P0627
Fuel Pump A Control Circuit/
Open
• Internal error fuel pump control
unit
• Feedback from fuel pump
control unit pump blocked
short circuit to battery +,
ground or open circuit
P0634
Map Controlled Engine
Cooling Thermostat Sensor,
Signal Range Check
Signal range check over
temperature > 150° C
Audi A7 Reference Specification Book
•
September 2013
235
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0638
Throttle Actuator Control
Range/Performance (Bank 1)
• Time to open over reference
point > 0.6 Sec
and
• Reference point -1.5%
• Time to close below reference
point > 0.3 Sec
and
• Reference point 1.0%
P0641
Sensor Reference Voltage A
Circuit/Open
Signal voltage deviation
> ± 0.3 V
P0642
Sensor Reference Voltage A
Circuit Low
Signal voltage < 4.606 - 4.998 V
P0643
Sensor Reference Voltage A
Circuit High
5 V supply voltage: > supply
voltage > 4.998 - 5.406 V
P0651
Sensor Reference Voltage B
Circuit/Open
Signal voltage deviation
> ± 0.3 V
P0652
Sensor Reference Voltage B
Circuit Low
Signal voltage < 4.606 - 4.998 V
P0653
Sensor Reference Voltage B
Circuit High
> 5 V supply voltage: supply
voltage > 4.998 - 5.406 V
P0657
Actuator Supply Voltage A
Circuit/Open
Signal voltage > 4.4 - 5.6 V
P0658
Actuator Supply Voltage A
Circuit Low
Signal voltage < 2.15 - 3.25 V
P0659
Actuator Supply Voltage A
Circuit High
Signal current > 1.1 A
P0685
ECM/PCM Power Relay
Control Circuit/Open
• Signal voltage 2.6 - 3.7 V
• Sense circuit voltage > 6 V
P0686
ECM/PCM Power Relay
Control Circuit Low
• Signal voltage 2.6 - 3.7 V
• Sense circuit voltage > 6 V
P0687
ECM/PCM Power Relay
Control Circuit High
• Signal current > 0.7 - 1.4 A
• Sense circuit voltage < 5.0 V
P0688
ECM/PCM Power Relay
Sense Circuit
Sense voltage < 4.0 V
P0697
Sensor Reference Voltage C
Circuit/Open
Signal voltage deviation
> ± 0.3 V
P0698
Sensor Reference Voltage C
Circuit Low
Signal voltage < 4.606 - 4.998 V
P0699
Sensor Reference Voltage C
Circuit High
5V supply voltage > 4.998 5.406 V
236
Audi A7 Reference Specification Book
•
September 2013
Error Message
Malfunction Criteria and
Threshold Value
P062B
Communication Check
SPI communications check
identifier failure
U0001
High Speed CAN
Communication Bus
CAN message, no feedback
U0002
High Speed CAN
Communication Bus
Global time out
U0100
Lost Communication with
ECM/PCM A
• Failure of all CAN engine
messages, time out
> 490 mSec.
• Failure of all CAN engine
messages, but not all CAN
messages, time out
> 1010 mSec.
U0101
Lost Communication with TCM
No CAN message received
from TCM
U0121
Received CAN message no
message
U0140
CAN communication with
Body Control Module
Time out no message
U0146
CAN Gateway A
Received CAN message no
message
U0155
CAN
ICL
(only
S4)
CAN communication with
Instument Cluster Module
Received CAN message no
message
U0302
Software Incompatibility with
Transmission Control Module
MT vehicle ECM coded as AT
vehicle
U0323
CAN: Instrument cluster only
Ambient temperature value
module not encoded for ambient
temperature sensor, 00h
U0402
CAN Communication with
TCM
Invalid data received from TCM
• Implausible message
U0404
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 【TURN OFF CEL】 This AL319 car scanner diagnostic tool...
- 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with...
- 【FOR END USER & DIYERS】 This error code reader AL319 is...
- 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check...
- 【HIGH-QUALITY SERVICES】 12 months war.ranty from the...
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
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:
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABS, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA
Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU c0ding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations - 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA AutoAuth: Now supports FCA SGW module for Chrysler, for Jeep, for Dodge (2018+), for Fiat (2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Pr0gramming): Allows for Ford, for Lincoln, and for Mazda ECU pr0gramming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order
- 39+ Services/Resets/Adaptations/Relearns/Calibrations: XTOOL D7S full system car scanner diagnostic tool tackles 99% of common car issues through its 36+ special functions, including Oil Reset, EPB, SAS, BMS, Throttle Reset, Injector C0ding, ABS Bleed, TPMS Reset, Power Balance, etc and also covers specific-vehicle functions like Crank Sensor Relearn, ABS Initialization, Cylinder Power Balance, Fuel Trim Reset, Idle Relearn etc. This car diagnostic scanner enhances efficiency, making repairs and maintenance hassle-free. Tip: DO NOT for All vehicles, please check compatibility first
- Cost-effective ECU C0ding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford, for Mazda, and for Lincoln. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase
- OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
- 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
This product presentation was made with AAWP plugin.