NHTSA ID Number: 10122269
Manufacturer Communication Number: QRG - 2014 Golf-
TSB/Document Date: 2017-11-08
Summary
2014 Volkswagen
Golf, GTI, & Golf R Quick Reference Specification Book: This document is an overview which covers multiple -Engine Codes -Fuel and Air Mixture, Additional Emissions Regulations -Ignition System -Additional Exhaust Regulation -Speed and Idle Control -Control Module and Output Signals -Fuel and Air Ratios Control Module -Additional Emissions Regulations
U0100
Lost Communication with
ECM / PCM A
• Failure of all CAN engine
messages, Time out more than
490 mSec
• Failure of all CAN engine
messages but not all CAN
messages, Time out more than
1010 mSec
U0101
Lost Communication with TCM • Checksum check Failed
Message counter check failed
• Time out check No message
received by ECM
U0121
CAN communication with brake
unit, time-out
U0146
CAN gateway A
CAN communication with
gateway Time Out - no message
U0302
Software Incompatibility with
Transmission Control Module
AT vehicle ECM coded as MT
vehicle
U0323
CAN: Instrument Cluster Audi![]()
Only
Ambient temp value module
not encoded for ambient temp
sensor, 00h
U0402
CAN Communication with
TCM
Data length code transmitted,
incorrect
VW
Golf & GTI Quick Reference Specification Book • January 2014
15
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
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
• Speed sensor initialization
failed
U0422
CAN: Instrument Cluster
Ambient temp. value
(initialization), Audi
, 01h
U0447
CAN Gateway
CAN message incorrect
U102E
LIN Communication
LIN message incorrect
U102F
LIN Communication
Time out
U1030
LIN Communication
Not active
Fuel and Air Ratios Control Module
DTC
Error Message
Malfunction Criteria and
Threshold Value
P1114
Internal Resistance Too Large
(Bank 1, Sensor 2)
Heater resistance, (128-648)*(840)1.02-25.9 k O (dep. on
mod. exhaust temp. and heater
power)
P12A1
Fuel Rail Pressure Sensor
Inappropriately Low
• Pressure control activity
> 2.50 MPa
and
• Fuel trim activity < 0.80
and
• Difference between actual
pressure vs target pressure
-16.38 to 16.38 MPa
P12A2
Fuel Rail Pressure Sensor
Inappropriately High
• Pressure control activity <
-0.05 MPa
• Fuel trim activity > 1.30
• Difference between target
pressure and actual pressure
-16.38 to 16.38 MPa
16
VW
Golf & GTI Quick Reference Specification Book • January 2014
Error Message
Malfunction Criteria and
Threshold Value
P12A4
Fuel Rail Pump Control Valve
Stuck Closed
• Pressure control activity < 6.00
MPa
• Fuel trim activity .90 to 1.15
• Difference between target
pressure vs. actual pressure, < 16.38 mPa
P2101
Throttle Actuator Control
Motor Circuit Range
Performance
• Duty cycle >80%
• ECM power stage no failure
• Deviation throttle value angles
vs. calculated value 4 - 50%
P2106
Throttle Actuator Control
System - Short to B+ or
Ground
Internal check
P2106
Throttle Actuator Control
System Open Circuit
Internal check
P2106
Throttle Actuator Control
System Temp. Current
Monitoring
Internal check failed
P2106
Throttle Actuator Control
System Functional Check
Internal check failed
P2110
Throttle Actuator Control
System - Forced Limited RPM
Engine load out of range
P2122
Throttle / Pedal Position
Sensor / Switch D Circuit Low
Input
Signal voltage < 0.606 V
P2123
Throttle / Pedal Position
Sensor / Switch D Circuit High
Input
Signal voltage > 4.794 V
P2127
Throttle / Pedal Position
Sensor / Switch E Circuit Low
Input
Signal voltage < 0.268 V
P2128
Throttle / Pedal Position
Sensor/Switch E Circuit High
Input
Signal voltage > 2.431 V
P2138
Throttle / Pedal Position
Sensor / Switch D / E Voltage
Correlation
Signal voltage sensor 1 vs 2,
0.167...0.703 V
P2146
Fuel Injector Group A Supply
Voltage Circuit / Short to
Ground
Signal current, >14.90 A
VW
Golf & GTI Quick Reference Specification Book • January 2014
17
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P2149
Fuel Injector Group B Supply
Voltage Circuit / Short to
Ground
• Signal current > 14.90 A
P2181
Cooling System Performance
• Cooling system temp too low
after a sufficient air mass flow
interval, < 74...84° C (SULEV)
• < 60...84° C (ULEV)
P2195
O2S Signal Biased/Stuck
Lean - Bank 1, Sensor 1
Delta lambda of 2nd lambda
control loop > 0.07
P2196
O2 Sensor Signal Biased/
Stuck Rich Bank 1 Sensor 1
Delta lambda of 2nd lambda
control loop < 0.07
P2231
O2S Signal Circuit Shorted to
Heater Circuit
Delta O2S signal front > 190 uA
P2237
O2 Sensor Positive Current
Control Circuit Open Bank 1
Sensor 1
• O2S signal front 1.493...
1.507 V
• O2S signal front < 1.70020 V
and
• Fuel cutoff >3.00 s
• O2S signal front 1.50...1.51 V
• Delta lambda controller, > 0.10
P2243
O2 Sensor Reference Voltage
Circuit Open Bank 1 Sensor 1
• O2S signal front >4.70 V and
Internal resistance > 1000 O
• O2S signal front < 0.30 V And
Internal resistance > 1000 O
P2257
Air Pump Relay. Short to
Grnd. PZEV Only
Signal voltage < 3.00 V
P2258
Air Pump Relay. Short to B+.
PZEV Only
Signal current 0.60...1.20 A
P2270
O2S Circuit Slow Response
Bank 1, Sensor 3 (ULEV)
Rationality check, O2S signal
rear, < 0.620 - 0.654 mV
P2270
O2S Circuit Slow Response
Bank 1, Sensor 2 (SULEV)
Rationality check, O2S signal
rear, < 0.557 - 0.630 mV
P2271
O2S Circuit Bank 1 - Sensor 3
(ULEV)
• Measurement range from fuel
cutoff to voltage threshold,
≤ 152.3 mV
• Number of checks (initial
phase), ≥ 1
P2271
O2S Circuit Bank 1 - Sensor 2
(SULEV)
Rationality check, O2S signal
rear, < 0.557 - 0.630 mV
P2274
O2S Circuit Slow Response
Bank 1, Sensor 3 (SULEV)
Rationality check, O2S signal
rear, < 0.620 - 0.654 mV
18
VW
Golf & GTI Quick Reference Specification Book • January 2014
Error Message
Malfunction Criteria and
Threshold Value
DTC Chart
DTC
P2275
O2S Circuit Slow Response
Bank 1, Sensor 3 (SULEV)
• Measurement range from fuel
cutoff to voltage threshold,
≤ 152.3 mV
• number of checks (initial
phase), ≥ 1
• ULEV
• O2S signal rear,>0.620 0.654 mV
P2279
Intake Air System Leak
• Threshold to detect a defective
system >1.33....1.6
and
• Ratio of the tie system
defective during the
measurement window to
the whole duration of the
measurement window
> 0.60000
P2293
Fuel Pressure Regulator 2
Performance
• Difference between target
pressure vs. actual pressure,
> 1.50mPa
• Difference between target
pressure vs. actual pressure,
< -1.50 mPa
P2294
Fuel Pressure Regulator 2
Control Circuit open circuit
Signal voltage 2.30 - 2.70 V
P2294
Fuel Pressure Regulator 2
Control Circuit Rationality
Check
Signal pattern incorrect
P2295
Fuel Pressure Regulator 2
Control Circuit Low Short to
Ground
< 1.80...2.20 V
P2296
Fuel Pressure Regulator 2
Control Circuit High
Signal voltage >3.9 V
Additional Emissions Regulations
DTC
Error Message
Malfunction Criteria and
Threshold Value
P2400
Evaporative Emission System
Leak Detection Pump Control
Circuit/Open
Signal voltage > 4.40 - 5.60 V
P2401
Evaporative Emission System
Leak Detection Pump Control
Circuit Low
Signal voltage < 2.15 to 3.25 V
VW
Golf & GTI Quick Reference Specification Book • January 2014
19
DTC
Error Message
P2402
Evaporative Emission System
Leak Detection Pump Control
Circuit High
Signal current > 3.0 A
P2403
Evaporative Emission System
Leak Detection Pump Sense
Circuit/Open
Low signal voltage > 0.5 Sec.
P2404
Evaporative Emission System
Leak Detection Pump Sense
Range/Performance
• High signal voltage > 30.4 V
and
• Number of checks 30.0
P2414
O2 Sensor Exhaust Sample
Error Bank 1, Sensor 1
• Signal voltage 3.10...4.81 V
• O2S signal, 2.5...3.2
• Signal Voltage 2.5 V
• O2S signal 2.5...3.1 V
P2431
Rationality Check
Difference between SAI
pressure and ambient pressure,
NOT -25.0...25.00 hPa
- 3X Stronger than the leading full synthetic*
- 10X Better high stress performance**
- 20,000 miles between oil changes***
- Viscosity breakdown as measured in Kurt Orbahn test on 5W...
- As measured in Seq IX test under high load/torque conditions...
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: QRG - 2014 Golf-
Replacement Service Bulletin Number:
MFR Communication Date: 2014-02-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT ADAPTIVE/MOBILITY
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 coding, 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 Programming): Allows for Ford
, for Lincoln
, and for Mazda
ECU programming 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 - Cost-effective ECU Coding 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
- 3 Years Software Update, Value for Money: With 3 years of software updates and 22+ languages(no IP restrictions), XTOOL D7S auto scanner code scanner ensures ongoing compatibility for the latest car models and improved diagnostic functions. This all system vehicle diagnostic scanner comes with a 30-day return policy and a 24-month repair for dependable performance. XTOOL are dedicated to your satisfaction, so enjoy seamless support and lifetime expert assistance. Should you encounter any issues or concerns, don’t hesitate to reach out XTOOL. D7S with newest update with 22 languages freely transfer without authorization, check details from setting-language or from XTOOL
- 【✅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.




