# Service bulletin 020730001A

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: 628845
- Published by NHTSA: 2002\-03\-21
- Manufacturer's number: 020730001A
- Manufacturer's date: 2004\-11\-01
- Replaces: 020730001B
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's summary

DIAGNOSTIC INFORMATION ON DIAGNOSTIC TROUBLE CODE P1870, TRANSMISSION COMPONENT SLIPPING FOR 2000 \- 2002 PASSENGER CARS AND LIGHT DUTY TRUCKS. \*TT UPDATE TO INCLUDE 2004 MODELS. \*TT UPDATED \*EH

## 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

- 2000 to 2002 BUICK BUICK
- 2000 to 2002 CADILLAC CADILLAC
- 2000 to 2002 CHEVROLET CHEVROLET
- 2000 to 2002 GMC GMC
- 2003 to 2004 HUMMER H2
- 2000 to 2002 OLDSMOBILE OLDSMOBILE
- 2000 to 2002 PONTIAC PONTIAC

## Recalls for the same vehicles and component

- [03V075000](/recalls/nhtsa/03V075000.md), 2003-03-06: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [06\-00\-89\-031D](/bulletins/10201098.md), 2021-09-07, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
- [06\-00\-89\-031D](/bulletins/10190503.md), 2021-04-20, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
- [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.
- [01\-00\-89\-010J](/bulletins/10138197.md), 2018-05-21, Service bulletin: ENGINE; SERVICE BRAKES; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides a revision for 01\-00\-89\-010I to add the 2013 model year.
- [02\-07\-30\-052J](/bulletins/10113664.md), 2017-08-15, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test essential tool J\-45096 TransFlow®.
- [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
- [3136](/bulletins/10021019.md), 2007-02-22, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION. SLIP CONDITION IN 2ND, 3RD, OR 4TH. DAMAGED 2\-4 OR 3\-4 CLUTCH. \*KB UPDATED 10/31/07. \*NJ
- [050730013](/bulletins/10017354.md), 2005-11-04, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60\-E/4L65\-E AUTOMATIC TRANSMISSION SECOND GEAR START, LACK/LOSS OF POWER WHEN ACCELERATING FROM A STOP. \*TT
- [040730006](/bulletins/10012673.md), 2005-03-10, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. 4L65 4L60E 4L60 AND 2004R AUTOMATIC TRANSMISSION OIL PUMP SPRING FIRST AND SECOND DESIGN IDENTIFICATION. \*EH

JSON: [/v1/bulletins/628845](/v1/bulletins/628845)

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