# Service bulletin 866503

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: 615078
- Published by NHTSA: 2000\-12\-27
- Manufacturer's number: 866503
- Manufacturer's date: 1998\-07\-01
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

## NHTSA's summary

SOME VEHICLES MAY SET A FALSE OBD II WITH DIAGNOSTIC TROUBLE CODE P1404. \*TT

## 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, Exhaust and emissions

## Trouble codes named

P1404

## Vehicles listed

- 1998 to 1999 CHEVROLET C SERIES
- 1998 to 1999 CHEVROLET G SERIES
- 1998 to 1999 CHEVROLET K SERIES
- 1998 to 1999 CHEVROLET L SERIES
- 1998 to 1999 CHEVROLET M SERIES
- 1998 to 1999 CHEVROLET P SERIES
- 1998 to 1999 CHEVROLET S SERIES
- 1998 to 1999 CHEVROLET T SERIES
- 1999 FORD L SERIES
- 1998 to 1999 GMC C SERIES
- 1998 to 1999 GMC G SERIES
- 1998 to 1999 GMC K SERIES
- 1998 GMC L SERIES
- 1998 to 1999 GMC M SERIES
- 1998 to 1999 GMC P SERIES
- 1998 to 1999 GMC S SERIES
- 1998 to 1999 GMC T SERIES
- 1998 OLDSMOBILE BRAVADA

## Other bulletins for the same vehicles and component

- [130089009](/bulletins/10246631.md), 2023-12-11, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Expanded Availability for Remanufacture and Return \(R\&R\) Electronic Control Modules
- [040603002](/bulletins/10012703.md), 2005-03-11, Service bulletin: ENGINE AND ENGINE COOLING. DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. \*EH
- [02068](/bulletins/10007765.md), 2004-07-10, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. NO START WITH DIAGNOSTIC TROUBLE CODE \(DTC\) P1626 OR P1631. ALSO INCLUDES 1998\-2004 CHEVROLET, GMC FULL SIZE TRUCKS/ UTILITIES/ VANS. \*TT
- [01225](/bulletins/10007717.md), 2004-07-08, Service bulletin: ENGINE AND ENGINE COOLING. ENGINE COOLANT LEAK AT INTAKE GASKET. \* MJ
- [030601024](/bulletins/10004371.md), 2003-12-04, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. RATTLE NOISE IN ENGINE. \*TT
- [030601024A](/bulletins/10004301.md), 2003-12-02, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. RATTLE NOISE IN ENGINE. \*TT
- [000604003B](/bulletins/10001298.md), 2003-04-28, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. ROUGH IDLE AFTER START, AND/OR A SERVICE ENGINE SOON \(SES\) LIGHT. VARIOUS MODELS INCLUDING THE 1995 CHEVROLET AND GMC S/T MODELS. \*TT
- [030604014](/bulletins/10001114.md), 2003-04-15, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL. OIL PRESENT AROUND TURBO AREA, OIL LEVEL LOW, OIL PRESSURE GAUGE MAY DROP. \*TT
- [020604060](/bulletins/10000739.md), 2003-03-28, Service bulletin: ENGINE AND ENGINE COOLING. AUTOMATIC ENGINE SHUTDOWN FEATURE. \*TT
- [020601024](/bulletins/634798.md), 2002-10-09, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. ON CERTAIN VEHICLES, SUCH AS THE CHEVROLET AND GMC WT 5500 MEDIUM DUTY TILT CAB MODELS, THE ENGINES MAY EXPERIENCE ROCKER ARM DAMAGE OR ROCKER BRIDGE DAMAGE FOLLOWING OVERHAUL OF THE CYLINDER HEAD IF THE VALVE BRIDGE STUD INSTALLED DEPTH IS INCORRECT. \*TT

JSON: [/v1/bulletins/615078](/v1/bulletins/615078)

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