# Service bulletin 971403

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10238512
- Published by NHTSA: 2023\-07\-05
- Manufacturer's number: 971403
- Manufacturer's date: 2014\-06\-12
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ELECTRICAL SYSTEM:WIRING

## NHTSA's summary

Increased resistance at the pins of the T14 connector in the engine wiring harness, causing fault code P0236 Turbocharger Boost Sensor \(A\) Circ. Range Performance.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10238512-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10238512-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine, Turbocharger or supercharger, Wiring and fuses

## Trouble codes named

P0236

## Vehicles listed

- 2013 to 2014 VOLKSWAGEN TIGUAN

## Other bulletins for the same vehicles and component

- [Edition65](/bulletins/10244045.md), 2023-10-16, Service bulletin: ELECTRICAL SYSTEM:WIRING; UNKNOWN OR OTHER. Volkswagen Elsa Newsletter
- [Edition56](/bulletins/10242383.md), 2023-09-18, Service bulletin: ELECTRICAL SYSTEM:WIRING. VW Elsa Newsletter
- [971402](/bulletins/10238511.md), 2023-07-05, Service bulletin: ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Increased resistance at the pins of the T14 connector in the engine wiring harness, causing fault code P0236 Turbocharger Boost Sensor \(A\) Circ. Range Performance.
- [TT911302](/bulletins/10237729.md), 2023-06-13, Service bulletin: ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. The Apple iPhone 5, iPad fourth generation, and iPod nano seventh generation use a proprietary ?Lightning? connector that is different than the 30 pin dock connector found on previous iPhone and iPod models.
- [CN\_3G\_SunsetVW](/bulletins/10206800.md), 2022-02-04, Service bulletin: ELECTRICAL SYSTEM:WIRING; COMMUNICATION:MANUFACTURER TELEMATICS. Customer Notification 3G\-Sunset
- [TT 21 18 01](/bulletins/10150857.md), 2018-12-10, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. Incorrect removal of Turbocharger oil feed line may cause engine damage
- [V211703 2041965](/bulletins/10127861.md), 2018-02-05, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Update to metadata TB displayed with tech tips.
- [TT 21\-13\-01](/bulletins/10125837.md), 2017-12-14, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Tech Tips \(Equipped with Turbocharged Engine Turbocharger Replacement Tip\): If mechanical damage is found to the turbocharger \(e.g. damaged compression wheel, loose or broken shaft\), it is not enough to just replace the turbocharger. This document informs the procedure of checks for damage.
- [TT 21\-10\-01](/bulletins/10124481.md), 2017-12-05, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Tech Tips 92006\-2014 Vehicles with 2.0T Gasoline Engine \- N75 Solenoid Valve Diagnosis\): When diagnosis on the above engine leads to the testing of the N75, please refer this document with graphical aid. The diagram shows which vacuum ports on the N75 valve should hold vacuum and which ones should not. Turbocharger fault codes P0299 and P0234 can be diagnosed using this test.
- [V971402 2037108](/bulletins/10124388.md), 2017-12-05, Service bulletin: ELECTRICAL SYSTEM:WIRING. Technical Bulletin \(Turbocharger Boost Sensor / Range Performance issues\): Increased resistance at the pins of the T14 connector in the engine wiring harness, causing fault code P0236 Turbocharger Boost Sensor \(A\) Circ. Range Performance. The production solution for this issue is Optimized crimping of the engine wiring harness to avoid circuit faults. This document also provides the location of the nessary wiring repair to be performed on the engine harness side. This document discusses the "Fault Codes" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for servicing the vehicle are also available.

JSON: [/v1/bulletins/10238512](/v1/bulletins/10238512)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20971403&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10238512&vehicle=Service%20bulletin%20971403)