NHTSA ID Number: 10214962
Manufacturer Communication Number: Quick Reference
TSB/Document Date: 2022-07-05
Summary
Audi
Quick Reference Specification Guide.
September 2013
305
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%
306
Audi A6/S6 Quick 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
DTC
Error Message
DTC Chart
Control Module and Output Signals
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 A6/S6 Quick Reference Specification Book
•
September 2013
307
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
308
Audi A6/S6 Quick Reference Specification Book
•
September 2013
DTC
Error Message
Malfunction Criteria and
Threshold Value
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
CAN ABS Brake Unit
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
Invalid Data Received From
Gear Shift Control Module
• If the value of message
counter is permanent, constant,
or change exceeds a threshold,
increment an event counter
• Maximum change of message
counter > 5
U0415
CAN link to speed sensor
Received data implausible
message
Audi A6/S6 Quick Reference Specification Book
•
September 2013
DTC Chart
P062B
309
DTC
Error Message
Malfunction Criteria and
Threshold Value
U0422
CAN: Instrument cluster
Ambient temperature value
initialization, 01 h
U0423
CAN
ICL
(only
S4)
CAN communication with
Instument Cluster Module
Received data implausible
message
U0447
CAN Gateway
Received data from Gateway
implausible message
Fuel and Air Ratios Control Module
DTC
Error Message
Malfunction Criteria and
Threshold Value
P10A0
RFP Powerstage, Signal
Range Check
Signal range check
• ECM power stage failure
or
• Duty cycle < 95%
or
• Duty cycle < 95%
P10A4
RFP Actuator, Functional
Check
- 【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: Quick Reference
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 |
- [2026 Top-Tier Hardware and Software Upgrade]: Topdon ArtiDiag900 Lite scanner has enhanced hardware and latest features, including Android 11.0, 5x faster CPU, 10000mAh battery for 12 hours of continuous operation, stable wireless diagnosis with Bluetooth 5.0, 8-inch touchscreen. Added bi-directional control, wireless diagnosis, battery testing (optional), and DTC repair guide
- [TOPDON Bidirectional Scan Tool]: This bidirectional obd2 scanner sends commands to the vehicle's ECU for active testing, enabling users to accurately and quickly locate faulty components such as injectors, coolant pumps, windows, wipers, headlights, mirrors, etc. The bidirectional control scanner is the ideal choice for workshops/automotive repair shops as it significantly reduces mechanic's diagnostic time.
- [Wireless Bluetooth Diagnostic Experience]: The AD900 Lite scan tool comes with a Bluetooth 5.0 VCI, supporting a wireless diagnostic range of up to 33 feet (10 meters), allowing you to diagnose without being confined to cables or tight spaces. Stable and fast wireless diagnosis provides a comfortable repair environment. It also offers VCI cables to increase connectivity options.
- [DTC Repair Guide Function]: Easily diagnose issues with your vehicle and receive guidance on repairs with the topdon scan tool's fault code definitions for all systems,maximize your diagnostic capabilities. This function is compatible with Chrysler
/Dodge/Jeep/Fiat 2010-2014 and expanding with continual updates,the AritDiag 900 Lite car diagnostic scanner is the must-have tool for any technician or DIY enthusiast. - [OE-Level Full System Diagnostics]:AritDiag900 Lite full system diagnostic scanner can scan ALL available modules(Engine, Transmission, Airbag, ABS, ESP, TPMS, Gateway, Steering, Radio, Air conditioning, ect.) to✔read ECU info, ✔read/clear codes, ✔view live data stream, ✔retrieves freeze-frame, ✔perform active tests, and more. With just a simple click, it provides you with accurate and in-depth diagnostics.
- Bi-Directional Control, Quickly Locate Problems: Turn your phone into a professional diagnostic tool. You can send commands from your phone to the ECU to test injectors, cooling fans, headlights, A/C clutch, windows, wipers, and more. See which one doesn't respond. Helps you quickly locate the problem and save time. No need to tear things apart, avoid blind disassembly.
- Flexible Subscription, Choose Advanced Features as Needed: TopScan Lite provides free-for-life access to core diagnostics, including full system scan, code reading, performance tests, and repair information. After purchase, advanced features (bi-directional control, service operations, live data, code clearing, and AI functions) are free-for-the-first-year. After the first year, if you want to use advanced features, you need to subscribe on a monthly, quarterly, or yearly basis. As new models and reset functions are updated, the tool will also be continuously upgraded.
- Full System Diagnostics, No Fault Hides: Unlike basic diagnostic tools that only cover 4 systems, TopScan can scan all systems. Read and clear trouble codes, view live data streams, and generate a complete vehicle health report – all issues are clear at a glance. Covers 10,000+ vehicle models and is compatible with 99.99% of vehicles.
- AI Assistant - TopFix: Think of TopFix as your personal AI mechanic. It leverages a repair database and OEM data to deliver clear, step-by-step repair solutions. Features include AI Q&A, one-click translation, and a full repair log, making your diagnostic process simpler and more efficient.
- 8+ Hot Resets, Keep Your Car in Top Shape: One-tap resets for oil, throttle, EPB, steering angle, DPF, ABS, BMS, and airbag. It enables car owners to easily perform essential maintenance, ensuring the vehicle stays in optimal condition and extends its service life.
- Dual WiFi & 10.1" Touchscreen: Provides a stable, high-speed wireless link 3x faster than bluetooth, and a responsive, professional interface. Topdon ONE obd2 scanner diagnostic tool ensures smooth, non-lagging diagnostic scan, boosting mechanic efficiency
- J2534 Pass-Thru Support: The included ONE VCI supports the J2534 standard, allowing it to function as a pass-thru device when paired with OEM diagnostic software.Through TOPDON’s RLink platform, technicians can perform dealer-level coding, expanding in-house capabilities without investing in multiple factory automotive scan tools
- OE Topology Mapping: Visualize the vehicle’s ECU network exactly as it’s built.Zoom, pan, and highlight specific modules to pinpoint component issues with precision.Topology mapping displays real-time communication between modules
- 50 Plus Service Functions: Covers high-demand services like ADAS calibration, DPF regen, TPMS reset, ABS bleed, and throttle adaptation.Expands your service menu, allows you to charge premium rates, and turns away zero jobs due to lack of tooling. Vehicle-specific functionality may vary
- Advaned ECU Coding: 10 of the most serviced brands in North America, including full ECU coding and flash hidden support for BMW, VW, Au-di, Benz, Porsche, Toyota, Ni ssan and more. Enables module replacement, feature customization, and personal settings with automatic backup or restore.Lets your shop safely offer high-margin customization services, attracting more customers and boosting profit
Last update on 2026-06-21 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.