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Service bulletin 97120177717A

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id54010
Published by NHTSA1998-03-30
Manufacturer's number97120177717A
Manufacturer's date1997-12-01
NHTSA componentPOWER TRAIN

NHTSA's summary

EXPERIENCING A SLIP AND/OR DTC P1870 AT 70-90 KM/H (45-55 MPH) WHEN THE TCC APPLIES. *YC

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

Trouble codes named

P1870

Vehicles listed
CHEVROLET CAMARO1997
PONTIAC FIREBIRD1997

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
31882004-12-02. Service bulletin. DRIVESHAFT PING TING CLANG SNAP OR CLICK NOISE. *EH
30602004-09-27. Service bulletin. 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
30202004-08-23. Service bulletin. 6SP MANUAL TRANSMISSION STUCK IN FOURTH GEAR WILL NOT SHIFT OUT OF FOURTH. *TT
0307300562004-03-04. Service bulletin. 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT
020730024A2002-10-11. Service bulletin. DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
010730023B2002-10-09. Service bulletin. 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
010730023A2002-02-25. Service bulletin. INFORMATION REGARDING HARSH 1-2 UPSHIFT, SERVICE ENGINE SOON, MALFUNCTION INDICATOR LAMP, OR CEL ILLUMINATED, DIAGNOSTIC TROUBLE CODE P1870 SET. (1996-2000 CHEVROLET AND GMC LIGHT DUTY TRUCK MODELS) *YH
0107300232001-10-24. Service bulletin. SOME OWNERS WITH VEHICLES BUILT BEFORE JANUARY 15,1999 MAY COMMENT ON A HARSH 1-2 UPSHIFT AND MAY ALSO HAVE A CHECK ENGINE LIGHT. *ET
0107300212001-06-26. Service bulletin. THIS TECHNICAL SERVICE BULLETIN STATES THAT TECHNICIANS MAY EXPERIENCE DIFFICULTY IN REMOVING THE CONNECTORS FROM THE PARK / NEUTRAL POSITION SWITCH, USUALLY WHEN TRYING TO REMOVE THE SWITCH DURING TRANSMISSION SERVICE. *TT
000730022B2001-04-05. Service bulletin. A NO REVERSE, NO SECOND GEAR, OR NO FOURTH GEAR CONDITION. *TT UPDATED *EH