Service bulletin TB-97-14-03

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10056394
Published by NHTSA	2014-11-19
Manufacturer's number	TB-97-14-03
Manufacturer's date	2014-06-12
NHTSA component	ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER

NHTSA's summary

VOLKSWAGEN: INCREASED RESISTANCE OF PINS OF T14 CONNECTOR IN ENGINE WIRING HARNESS IS CAUSING TURBOCHARGER BOOST SENSOR (A) CIRCUIT RANGE PERFORMANCE TO HAVE FAULT CODE P0236. MODEL 2013-2014 TIGUAN. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Turbocharger or supercharger

Trouble codes named

P0236

Vehicles listed
VOLKSWAGEN TIGUAN	2013, 2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
971403	2023-07-05. Service bulletin. 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.
971402	2023-07-05. Service bulletin. 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.
TT 21 18 01	2018-12-10. Service bulletin. Incorrect removal of Turbocharger oil feed line may cause engine damage
V211703 2041965	2018-02-05. Service bulletin. Update to metadata TB displayed with tech tips.
TT 21-13-01	2017-12-14. Service bulletin. 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	2017-12-05. Service bulletin. 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.
TT 21-10-02	2017-11-08. Service bulletin. Tech Tips: The document discusses the conditions of when turbo can to be fixed or replaced
V001401 2033846	2017-11-08. Service bulletin. Technical Bulletin (Fuel Additive to Help Prevent Sporadic Misfire Faults): Fuel quality impacts the operating performance, efficiency and service life of the engine. The use of poor quality fuels may result in deposit build up on the fuel injectors and intake valves. This may result in a rough running condition, sporadic misfires, or cold start misfire faults storing in the ECM fault memory. A Volkswagen approved fuel additive is available to help remove and prevent deposits on fuel injectors and intake valves. 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.
V971403 2037108	2017-10-21. Service bulletin. Technical Bulletin (Turbocharger Boost Sensor issues): Increased resistance at the pins of the T14 connector in the engine wiring harness, causing Turbocharger Boost Sensor (A) Circ. Range Performance issues. The production solution to this issue is Optimized crimping of the engine wiring harness to avoid circuit faults. 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.
VIN-4-A-PIN APRI	2017-06-26. Service bulletin. MIL-ON, FAULT P309F OR P309D, NO ELECTRIC DRIVE MODE CUSTOMER STATES CRANK NO START AND/OR IN-TANK FUEL PUMP MAKING NOISE AND POSSIBLY WITH FUEL PUMP FAULTS MIL-ON, FAULT P013E IN THE ECM MIL-ON, FAULT P164B IN ECM MIL-ON, FAULT P0011 AND/OR P0016 IN THE ECM MIL-ON, FAULT P2407 IN THE ECM CUSTOMER STATES NOISE FORM THE ENGINE/TURBO CUSTOMER STATES THE FUEL GAUGE DOES NOT READ FULL MIL ON, FAULT P2181 IN THE ECM MIL-ON, FAULT P0456 IN THE ECM CUSTOMER STATES THERE IS A NOISE WHILE TURNING/ GOING OVER BUMPS VEHICLE ALIGNMENT NOT CORRECT, STEERING OFF CENTER, PULLS, DRIFTS, DURING PDI CLUTCH PEDAL SQUEAL/SQUEAK WHEN OPERATING CLUTCH PEDAL CUSTOMER STATES THE A/C SYSTEM DOES NOT PERFORM PROPERLY CUSTOMER STATES INTERIOR "A" PILLAR TRIM IS LOOSE CUSTOMER STATES WIND NOISE FROM DRIVERS DOOR/WINDOW GUIDE CUSTOMER STATES AIRBAG LIGHT IS ON ANY KEY FUNCTIONS (INCLUDING STARTING, KESSY, REMOTE BUTTONS)