# Service bulletin 010730023B

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: 634815
- Published by NHTSA: 2002\-10\-09
- Manufacturer's number: 010730023B
- Manufacturer's date: 2002\-03\-01
- Replaces: 010730023A
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's summary

SOME CUSTOMERS MAY COMMENT ON A HARSH 1\-2 UPSHIFT AND THE CHECK ENGINE LIGHT OR SERVICE ENGINE SOON INDICATOR IS ILLUMINATED AND DIAGNOSTIC TROUBLE CODE P1870 SET. \*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

Transmission and driveline, Automatic transmission

## Trouble codes named

P1870

## Vehicles listed

- 1996 BUICK ROADMASTER
- 1999 to 2000 CADILLAC ESCALADE
- 1996 CADILLAC FLEETWOOD
- 1996 to 2000 CHEVROLET CAMARO
- 1996 to 2000 CHEVROLET CHEVROLET TRUCK
- 1996 to 2000 CHEVROLET CORVETTE
- 1996 to 2000 GMC GMC
- 1996 to 2000 OLDSMOBILE BRAVADA
- 1996 to 2000 PONTIAC FIREBIRD

## Other bulletins for the same vehicles and component

- [PIP3366C](/bulletins/10143757.md), 2018-08-20, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\); POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low \(4LO\) range. Dealers technician\&\#39;s are advised this condition should be deemed a normal characteristic of 4WD low operation.
- [PIP5346](/bulletins/10115081.md), 2017-08-15, Service bulletin: EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES; POWER TRAIN. This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick connect verses inverted flare. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
- [PIT\-4722](/bulletins/10026804.md), 2008-12-18, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. GMC: FLUID LEAK FROM TRANSMISSION OIL COOLER LINES DUE TO CORROSION. ALL 2000\-2006 LIGHT DUTY TRUCKS EQUIPPED WITH THE LIGHT DUTY AUTOMATIC TRANSMISSION. \*PE
- [030730007](/bulletins/10021103.md), 2007-03-05, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. DELAYED ENGAGEMENT WHEN SHIFTING INTO THESE POSITIONS. PARK INTO REVERSE, NUETRAL INTO DRIVE, NUETRAL INTO REVERSE, AND PARK INTO DRIVE. THIS BULLETIN INCLUDES ALL 2000 \- 2007 GM LIGHT DUTY TRUCKS. \*KB
- [3060](/bulletins/10009370.md), 2004-09-27, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. THE ENGINE DOES NOT STALL WHEN PERFORMING A P1870 DIAGNOSTIC TEST WITH THE TECH 2 SCAN TOOL OR WHEN COMMANDING THE TORQUE CONVERTER CLUTCH ENABLE SOLENOID ON APPLICATIONS THAT DO NOT HAVE THE P1870 DIAGNOSTIC TEST LISTED. 4L60E OR 4L65E TRANSMISSIONS. \*TT
- [030730007A](/bulletins/10005577.md), 2004-03-04, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. ENGAGEMENT TIME OF ELECTRONICALLY CONTROLLED TRANSMISSIONS IN GENERAL MOTORS VEHICLES. VARIOUS MODELS INCLUDING 2000\-2006 ALL LIGHT DUTY TRUCKS. \*TT
- [030730056](/bulletins/10005566.md), 2004-03-04, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60\-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. \*TT
- [010730038B](/bulletins/10005162.md), 2004-02-10, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. \*TT
- [091303](/bulletins/10005062.md), 2004-01-29, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). WHEN USING POWERTRAIN CONTROL MODULE \(PCM\) 9374997 DEALERS MAY ENCOUNTER PCM CODE P066 OR P1518, A CRANK NO START CONDITION, OR THE INABILITY TO SUCCESSFULLY PROGRAM THE REPLACEMENT PCM. \*TT
- [030730042](/bulletins/10004324.md), 2003-12-02, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. AUTOMATIC TRANSMISSION FLUID LEAK AT REAR OF VEHICLE. \*TT

JSON: [/v1/bulletins/634815](/v1/bulletins/634815)

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