# Service bulletin TT 23\-06\-28

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: 10120274
- Published by NHTSA: 2017\-10\-21
- Manufacturer's number: TT 23\-06\-28
- Manufacturer's date: 2014\-09\-12
- NHTSA component: FUEL SYSTEM, DIESEL

## NHTSA's summary

2.0L TDI Pumpe Duse Engine, with Hard Starting: For long crank/ difficulty starting with the engine hot: Before replacing any components for this complaint, drain the fuel from the vehicle and replace with known good diesel fuel from a reputable source. If the complaint still exists, check fuel pressure and injector timing.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10120274-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10120274-0001.pdf)

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

## Components

Fuel system

## Vehicles listed

- 2004 VOLKSWAGEN PASSAT

## Recalls for the same vehicles and component

- [2008119](/recalls/tc/2008119.md), 2008-04-09: Fuel System
- [08V156000](/recalls/nhtsa/08V156000.md), 2008-04-07: FUEL SYSTEM, GASOLINE:DELIVERY
- [04V586000](/recalls/nhtsa/04V586000.md), 2004-12-15: FUEL SYSTEM, DIESEL
- [2004435](/recalls/tc/2004435.md), 2004-12-13: Fuel System

## Other bulletins for the same vehicles and component

- [Edition26](/bulletins/10242399.md), 2023-09-18, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT; FUEL SYSTEM, GASOLINE; STRUCTURE. VW Elsa Newsletter
- [TB001403](/bulletins/10241265.md), 2023-08-28, Service bulletin: ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Fuel Additive to Help Prevent Sporadic Misfire Faults
- [TT201301a](/bulletins/10238960.md), 2023-07-10, Service bulletin: UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); FUEL SYSTEM, OTHER. To clear static ECM fault P1250 ?Fuel Level Too Low?, add fuel to vehicle and complete a road test of at least 10 miles. Simply adding fuel without completing a road test may not allow fault to clear.
- [TT201301](/bulletins/10238959.md), 2023-07-10, Service bulletin: FUEL SYSTEM, OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); UNKNOWN OR OTHER. To clear static ECM fault P1250 ?Fuel Level Too Low?, add fuel to vehicle and complete a road test of at least 10 miles. Simply adding fuel without completing a road test may not allow fault to clear.
- [TT200906](/bulletins/10238954.md), 2023-07-10, Service bulletin: FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Use the diagram below to test the N75 Solenoid Valve in the event of a turbocharger fault code such as P0299 or P0234. This applies to Mechanical Injection Style Diesel Engines, Pumpe Duse Style Diesel Engines and the new Common Rail Style Diesel Engines.
- [TT240801](/bulletins/10238572.md), 2023-07-05, Service bulletin: FUEL SYSTEM, GASOLINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Fault code P1297 may be set and fuel mixtures may go lean if the vehicle is driven under load or revved up and then returned to idle.
- [TT 90\-12\-06](/bulletins/10157623.md), 2019-04-08, Service bulletin: ELECTRICAL SYSTEM; FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. Tech Tips \(Fuel Gauge Inoperative after Instrument Cluster Replacement with Fault 00771 ?Fuel level sensor \-G\-?\): An inoperative fuel gauge after instrument cluster replacement with fault 00771 ?Fuel level sensor \-G\-? may be caused by gateway \(address word 19\) coding. This document informs of the procedure to resolve this concern
- [TT 90\-12\-06](/bulletins/10156050.md), 2019-04-01, Service bulletin: FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. Tech Tips \(Fuel Gauge Inoperative after Instrument Cluster Replacement with Fault 00771 ?Fuel level sensor \-G\-?\): An inoperative fuel gauge after instrument cluster replacement with fault 00771 ?Fuel level sensor \-G\-? may be caused by gateway \(address word 19\) coding. This document informs of the procedure to resolve this concern
- [TT 20\-09\-06](/bulletins/10124482.md), 2017-12-05, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; FUEL SYSTEM, DIESEL. Tech Tips \(TDI Engine \- N75 Solenoid Valve Diagnosis\): This document informs with graphical aid the testing of the N75 Solenoid Valve in the event of a turbocharger fault code such as P0299 or P0234. This applies to Mechanical Injection Style Diesel Engines, Pumpe Duse Style Diesel Engines and the new Common Rail Style Diesel Engines.
- [TT 20\-13\-01](/bulletins/10121536.md), 2017-10-31, Service bulletin: EQUIPMENT:ELECTRICAL; FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. Tech Tips \(ECM Fault P1250 "Fuel Level Too Low" Will Not Clear\): This document informs to clear static ECM fault P1250 "Fuel Level Too Low", add fuel to vehicle and complete a road test of at least 10 miles. Simply adding fuel without completing a road test may not allow fault to clear.

JSON: [/v1/bulletins/10120274](/v1/bulletins/10120274)

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