# Service bulletin 02021

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: 634231
- Published by NHTSA: 2002\-09\-28
- Manufacturer's number: 02021
- Manufacturer's date: 2002\-07\-01
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

VOLUNTARY EMISSION RECALL BULLETIN FOR VEHICLES BUILT WITH UNCERTIFIED POWERTRAIN CONTROL MODULE \(PCM\) CALIBRATIONS. \*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, Transmission control module

## Vehicles listed

- 2002 CADILLAC ESCALADE

## 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.
- [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
- [3136](/bulletins/10010080.md), 2004-11-04, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. THE 4L60E/4L65E AUTOMATIC TRANSMISSION SLIP CONDITION IN 2ND, 3RD, OR 4TH GEAR. ALSO TO INCLUDE THE PONTIAC GTO 2005. \*TC
- [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
- [01483](/bulletins/10005496.md), 2004-03-01, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). VEHICLE HAS NO PCM \(POWER TRAIN CONTROL MODULE\) COMMUNICATION WITH TECH 2. SIT BULLETIN 1400427. \*TT
- [00702](/bulletins/10005476.md), 2004-03-01, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. SLIP CONDITION IN 2ND, 3RD OR 4TH DAMAGED 2\-4 BAND 3\-4 CLUTCH ON THE 4L60E/4L65E AUTOMATIC TRANSMISSION. \*TT \*MJ
- [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
- [042202](/bulletins/636575.md), 2002-11-10, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. SUBJECT REGARDING KINKED TRANSMISSION OIL COOLER LINES. \*TT
- [020730024A](/bulletins/634999.md), 2002-10-11, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. \*TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. \*TT
- [02021](/bulletins/634235.md), 2002-09-28, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). PRODUCT EMISSION RECALL REGARDING UNCERTIFIED POWERTRAIN CONTROL MODULE CALIBRATION. \*TT

JSON: [/v1/bulletins/634231](/v1/bulletins/634231)

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