NHTSA ID Number: 10214963
Manufacturer Communication Number: Audi
A7 Referenc
TSB/Document Date: 2022-07-05
Summary
Audi Quick Reference Specification Guide.
Signal from power stage
> 1.50 V and > 50 mA
P2122
Pedal Position Sensor D
Circuit Low Input
Signal voltage < 0.646 V
P2123
Pedal Position Sensor D
Circuit High Input
Signal voltage > 4.889 V
P2127
Pedal Position Sensor E
Circuit Low Input
Signal voltage < 0.276 V
P2128
Pedal Position Sensor E
Circuit High Input
Signal voltage > 2.644 V
P2138
Pedal Position Sensor D/E
Circuit Voltage Correlation
Signal voltage sensor 1 vs.
sensor 2 > 143 - 260 mV
P214E
Reducing Agent Metering
Current Over-Temperature
System Control Module -J880- diagnostic signal from output
Internal Temperature Too High driver
• Power stage temperature
> 140 °C
P214F
Reducing Agent Metering
System Control Module -J880Internal Pump Temperature
Too High
P2146
Fuel Injector Group "A" Supply Diagnostic signal from power
Voltage Circuit Open
stage = internal signal
P2149/
P2152
Fuel Injector Group "C" Supply Diagnostic signal from power
Voltage Circuit/Open
stage = internal signal
P2181
Engine Coolant Temperature
Sensor on Radiator Outlet
Circuit Rationality Check
Deviation between target and
measured ECT < - 7.5 [K]
P2183
Engine Coolant Temperature
Sensor on Radiator Outlet
Circuit Cross Check
ECT on radiator outlet vs IAT or
AAT or FTS at start up > 35 K
P2184
Engine Coolant Temperature
Sensor on Radiator Outlet
Circuit Grounded
Signal voltage < 162 mV
264
Current Over-Temperature
diagnostic signal from output
driver
• Power stage temperature
> 140 °C
Audi A7 Reference Specification Book
•
September 2013
Error Message
Malfunction Criteria and
Threshold Value
P2185
Engine Coolant Temperature
Sensor On Radiator Outlet
Circuit Short to Battery
Voltage
Signal voltage > 3255 mV
P2195
O2 Sensor Signal Stuck Lean
(Bank 1 Sensor 1)
• Measured oxygen
concentration @ fuel cutoff
> 25.6%
or
• Measured oxygen
concentration @ part load
> (calculated) 11%
P2196
2 Sensor Signal Stuck Rich
Bank 1 Sensor 1
Measured oxygen concentration
@ fuel cutoff > 14.7%
P220A
NOx Sensor Front Circuit
Supply Voltage
Sensor supply voltage > 1.5 or
< 12 V
P220B
Ox Sensor Rear Supply
Voltage Circuit
Sensor supply voltage > 1.5
P2200
NOx Sensor Front Circuit
Failure
NOx sensor signal ratio of
validity ≥ 0.50 [-]
P2201
NOx Sensor Front Circuit
Range / Performance
• NOx 40 - 70%, time > 5 Sec.
or 40% value not reached
within 7 Sec.
• Ratio > 3 or < -0.75
• Average NOx Offset value > 50
or < -30 ppm
P2202
NOx Sensor Front Circuit Low
NOx Sensor Front Circuit Low
P2203
NOx Sensor Front Circuit High NOx value > 1655 ppm
P2209
NOx Sensor Front Rationality
Check
P2237
O2 Sensor Positive Current
Measured oxygen concentration
Control Circuit (Bank 1 Sensor < 0.005
1) Open
P2243
O2 Sensor Reference Voltage
Circuit Bank 1 Sensor 1 Open
• O2S internal resistance > 3 V
• Oxygen signal < -1.3 V or >
1.5 V
P2251
O2 Sensor Negative Current
Control Circuit Bank 1 Sensor
1 Open
O2S internal resistance voltage
>3V
P226C
Turbocharger Boost Control
"A" Slow Response
Boost difference between target
and measured < -6976[J]
P2279
Turbocharger Boost Pressure
Intake Air System Leak
Ratio of measured and modeled
mass air flow = 0.45 - 0.80[-]
Audi A7 Reference Specification Book
NOx control active time since
dew point exceeded > 180
•
September 2013
265
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P229E
Ox Sensor Rear Circuit Short
or Open
• Message From NOx Sensor =
Failure
or
• NOx sensor status ratio of
validity ≥ 0.5[-]
P229F
NOx Sensor Rear Circuit
Range /Performance
• Average NOx Offset Value
> 50 ppm
• Number of checks = 2[-]
or
• Average NOx Offset Value
< - 30 ppm
• Number of checks = 2[-]
or
• Measured oxygen
concentration compared
with calculated oxygen
concentration deviation @ part
load > 5.3%
P2294
Fuel Pressure Metering Valve
Control Circuit Open
Signal Voltage < 4.7 V
P2295
Fuel Pressure Metering Valve
Control Circuit Grounded
Signal Voltage < 2.97 V
P2296
Fuel Pressure Metering Valve Signal Current > 3.0 A
Control Circuit Short to Battery
Voltage
P22A0
NOx Sensor Rear Circuit Low
NOx value < -105 ppm
P22A1
NOx Sensor Rear Circuit High
NOx value > 1655 ppm
P22A7
Ox Sensor Rear Rationality
Check
NOx control active time since
dew point exceeded >180 s
Ignition System
DTC
P0300
266
Error Message
Random Misfire Detected
Malfunction Criteria and
Threshold Value
• Rise in engine speed after fuel
injection calculated based on
values from last two engine
revolutions
• Error threshold 82%
misfire over 440 crankshaft
revolutions
Audi A7 Reference Specification Book
•
September 2013
Error Message
Malfunction Criteria and
Threshold Value
P0301
Cylinder 1 Misfire Detected
• Rise in engine speed after fuel
injection calculated based on
values from last two engine
revolutions
• Error threshold 82%
misfire over 440 crankshaft
revolutions
P0302
Cylinder 2 Misfire Detected
• Rise in engine speed after fuel
injection calculated based on
values from last two engine
revolutions
• Error threshold 82%
misfire over 440 crankshaft
revolutions
P0303
Cylinder 3 Misfire Detected
• Rise in engine speed after fuel
injection calculated based on
values from last two engine
revolutions
• Error threshold 82%
misfire over 440 crankshaft
revolutions
P0304
Cylinder 4 Misfire Detected
• Rise in engine speed after fuel
injection calculated based on
values from last two engine
revolutions
• Error threshold 82%
misfire over 440 crankshaft
revolutions
P0305
Cylinder 5 Misfire Detected
• Rise in engine speed after fuel
injection calculated based on
values from last two engine
revolutions
• Error threshold 82%
misfire over 440 crankshaft
revolutions
P0306
Cylinder 6 Misfire Detected
• Rise in engine speed after fuel
injection calculated based on
values from last two engine
revolutions
• Error threshold 82%
misfire over 440 crankshaft
revolutions
Audi A7 Reference Specification Book
•
September 2013
267
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0321
Engine Speed Input Circuit
Range/Performance
• Counted teeth vs. reference
> 200
• Monitoring reference gap
failure
P0322
Engine Speed Input Circuit No
Signal
• Camshaft signal > 10
• Engine speed = no signal
Additional Exhaust Regulation
DTC
Error Message
Malfunction Criteria and
Threshold Value
P04DD
Cold Start EGR Insufficient
Flow Detected
Control deviation < f(engine
speed, injection quantity, target
air mass flow)
P04DE
Cold Start EGR Excessive
Flow Detected
Ratio of modeled and measured
air mass flow > f(turbo charger
position)
P040B
Exhaust Gas Recirculation
Temperature Sensor Circuit
Range/Performance
Measured sensor temperature
- mean value of modelled
temperature
P040C
Exhaust Gas Recirculation
Temperature Sensor Circuit
Low
Signal voltage < 0.68 V
P040D
Exhaust Gas Recirculation
Temperature Sensor Circuit
High
Signal voltage > 2.61 V
P0401
Exhaust Gas Recirculation
Insufficient Flow Detected
Control deviation < f (engine
speed, injection quantity, target
air mass flow)
P0402
Exhaust Gas Recirculation
Excessive Flow Detected
Ratio of modeled and measured
air mass flow > 1.3[-]
268
Audi A7 Reference Specification Book
•
September 2013
DTC
Error Message
Malfunction Criteria and
Threshold Value
Exhaust Gas Recirculation
Actuator Circuit Functional
Check
• Control deviation > 10.00 [%]
or
• Control deviation < -10.00 [%]
or
• Actual position ≤17.00 [%]
• Control deviation > 10.00 [%]
or
• Control deviation < -10.00 [%]
• Actual position > 17.00 [%]
Open circuit:
• Control deviation < -10.00 [%]
Short to ground:
• Signal current > 8 - 18 [A]
Short to battery voltage
• Signal current > 8 - 18 [A]
P0404
Exhaust Gas Recirculation
Control Circuit Range/
Performance
• Control deviation > 10%
• Actual position > 17%
P0405
Exhaust Gas Recirculation
Sensor Circuit Low
Position sensor signal < 0.25 V
P0406
Exhaust Gas Recirculation
Sensor Circuit High
Position sensor signal ≥ 4.75 V
P0420
Catalyst System Bank 1
Efficiency Below Threshold
Ratio of measured and modeled
heat < 0.3
- 【Looking for More Professional Vehicle Scan...
- 【OE-Level 4 Systems OBD2 Scanner】iCarsoft E...
- 【4 Systems Diagnosis for 10000+ Vehicles】 iCarsoft E...
- 【6 Reset Services】iCarsoft E660 2026 Upgrade Version is...
- 【118+ Real Time Record & Live Graph View】iCarsoft E...
Last update on 2026-06-21 / Affiliate links / Images from Amazon Product Advertising API
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: Audi A7 Referenc
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 |
- 【OE-Level Full System Diagnostics-Lifetime F*REE Software Updates】The VDIAGTOOL D200 OBD2 Scanner for cars is a all system bidirectional scan tool that enjoy lifetime f*ree software updates, delivers complete system coverage. reading/clearing codes across engine, transmission, ABS, SAS, EPB, TPMS plus full access to body, chassis, powertrain and all control modules. This D200 Bidirectional car scanner works with most 1996+ OBD2 gasoline and hybrid
cars and light trucks. It does NOT support pure electric and heavy-duty trucks. PLEASE CHECK COMPATIBILITY BEFORE ORDERING or Contact us with VIN to confirm compatibility. - 【Supports OBD2 Full Functions-ZERO Subscription Fees】D200 Bidirectional OBD2 Scanner is a upgarde of universal car code reader. It supports OBD2 full functions to help you turn off the annoying instrument fault indicator, such as read/clear codes, O2 sensor test, I/M readiness, on-board monitor test, datastream, freeze frame, E-VAP system test, and retrieve vehicle information. This professional obd2 scanner diagnostic tool can full access to diagnostics, reset tools and maintenance features with a single payment. NOTE: The fault code can only be cleared after the vehicle's malfunction has been repaired; please ensure the vehicle issue is fixed before clearing the code.
- 【D200 Hidden 2 Advantages: 1. $169 Expandable 49+ Advanced Resets. 2. $199 Get J2534 P*a*s*s-Thru Programming】Your core car diagnostics and 26 reset remain lifetime f*ree for everyday maintenance. When you need deeper repair capability, upgrade with 3-year access for $169 in Store on VDIAGTOOL App, gaining 49+ advanced resets. D200 configured with J2534 hardware, upgrade only when you need without replacing the entire device. You also can Lifetime Unlock for $199 in Store one-time, perform module programming, software re~flashing and ECU data updates directly. Supports 17+ major brands, including for BMW, for Audi, for GM, for Ford and more. Note:D200 does‘t provide any OE software.
- 【Full Bidirectional Control / Active Tests】The D200 car scanner diagnostic tool is a true bidirectional scan tool that lets you send commands directly to the vehicle’s ECU for active tests. Quickly test fuel pumps, relays, solenoids, injectors, cooling fans, windows, sunroofs and more to verify operation instantly. Get dealership-level diagnostic control at a fraction of the cost (ofter $100-200$ per diagnostic visit), reduce guessworkand confirm repairs faster, avoid unnecessary parts replacement, towing fees and wait times.
- 【26 F*ree Essential Reset & Relearn Functions – Everyday Maintenance Made Easy】Handle common maintenance and repair jobs without visiting the shop. The D200 code readers & scan tools includes 26 f*ree high-demand reset functions, including Oil Reset, EPB Service, SAS Calibration, ABS Brake Bleeding, Throttle Relearn, Injector Coding, Headlight Adjustment, Tire Size Reset and more. Perfect for home car owners, mechanics and DIYers – just plug and diagnose anytime, anywhere! Note: Service functions vary by vehicle model—please confirm compatibility.
- 【A MUST-HAVE TOOL FOR DIYERS】 - VDIAGTOOL VD10 car code reader is an incredibly useful obd scanner for each car owner or hobbyist, even for those with little to no experience when it comes to vehicle mechanics! Similar to a fixd car diagnostic tool, using this car diagnostic scanner is extremely easy. All you have to do is attach it to your car OBDII port and you can diagnose car problems in seconds! Read Codes (DTCs); Clear Codes; Live Data; View Freeze Frame; I/M Readiness; Vehicle Information.
- 【KEEP ENGINE IN GOOD STATUS】 - VDIAGTOOL check engine code reader brings a fast access to scan, read the car fault code, show its definition on the screen instantly, troubleshooting to find the root causes of problems, erase the engine fault code and turn off the MIL (Malfunction Indicator Light). Similar to a fixd car diagnostic tool, this car code reader helps ensure your engine stays in top condition.
- 【READ/CLEAR CODES & DTC LOOKUP】- No search online & saving your time, this vehicle car code reader retrieves generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes, pending codes and displays DTC definitions based on the built-in database(more than 3000 codes) on the TFT screen, find out the root causes and clear the codes after fixed.
- 【LIVE DATA & RETRIEVE FREEZE FRAME】 - This diagnostic scan tool for accurate diagnosis enables you to retrieve data from vehicle sensors, such as Engine RPM, Intake air temperature, Short/Long term fuel, Misfire data and etc. The freeze frame is stored in the PCM together with the diagnostic trouble code (DTC) related to the fault. Comparable to a fixd car diagnostic tool, the VD10 car code reader car scanner can be a valuable & practical diagnostic aid and also greatly help when diagnosing intermittent problems.
- 【I/M READINESS for THE S-nn-0-g CHECK】- OBDII vehicle may not pass the annual inspection unless the required monitors since reset are complete. So you should at least read the readiness monitors and make sure they are ready. This car obd2 scanner diagnostic tool is equipped with I/M readiness function to check the operations of the e-m-issi0n system on OBD2 compliant vehicles, run I/M monitor readiness test, checking if the pass vehicle s-m-0-g inspection.
- 【Professional Diagnostics】 The VD80 BT Lite bidirectional obd2 scanner is a professional OBD2 scanner diagnostic tool, delivering vehicle diagnostics right in your own garage. It supports 4,000+ active diagnostic tests, 28+ maintenance service functions, ECU coding, PMI calibration, brake service reset, and OEM-grade full-system vehicle scanning—perfect for DIYers and pros looking for powerful automotive tools. The available function tests vary by model—please to confirm compatibility.
- 【ADVANCED ECU CODE, CUSTOMIZE OE-SETTINGS】As a complete car code reader and reset tool, the VD80 BT Lite bidirectional obd2 scanner supports ECU coding for VW, for Audi, for BMW, for Benz, for Mitsubishi and more. PMI function for Ford/for Lincoln/for Mazda, supports copy data into new module. Step-by-step Guided Diagnostics makes complex jobs easier—making this one of the most reliable code readers & scan tools on the market.
- 【100000+ Vehicles Compatibility – CAN FD/DOIP】 VD80 BT Lite Auto Scanner Compatible with 100,000+ vehicles worldwide, this bidirectiona car scanner works with all OBD2-compliant vehicles manufactured after 1996, covering more than 100 brands worldwide. It also supports CAN FD, DOIP and FCA Secure Gateway protocols, boost 2X faster data transfer, covers 99% of U.S., EU and Asian cars. With 22 languages and 2 years of f*ree updates—future-proofing your car reader diagnostic for all cars.
- 【28+ Maintenance Services & Calibration Functions】VD80 BT Lite scanner for car Supports 28 maintenance services, including resetting oil and service lights after routine maintenance, registering new batteries for proper system operation, and clear clogged filters and restore performance. Additionally, it calibrates TPMS sensors after tire rotations, resets brake systems after pad replacements, relearns steering angle sensors after alignments, and more. These functions help your vehicle quickly and accurately return to peak performance—without the costly dealer visits.
- 【True Bidirectional Control – Diagnose with Confidence】Standing out with full-system coverage and extensive active test capabilities, the VD80 BT Lite bidirectional scan tool retrieves data from electronic control units and performs a wide range of active tests. You can real-time control over modules like fuel pumps, windows, A/C clutches, and relays. Perform 100+ advanced functions including throttle adaptation, injector coding, VIN write, idle relearn, and ABS bleed—helping you fix it right the first time with this all-in-one car diagnostic scanner.
Last update on 2026-06-21 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.