TSB PIP4723C — Cadillac, Chevrolet, GMC and Pontiac Service bulletin

PIP4723C is a service bulletin on file with NHTSA for 13 Cadillac, Chevrolet, GMC and Pontiac models, 1995–1999 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
13Vehicles named
5Model years

Vehicles and model years PIP4723C names

VehicleModel years
Cadillac Escalade 1999
Chevrolet Blazer 1995, 1996, 1997, 1998, 1999
Chevrolet Camaro 1995, 1996, 1997, 1998, 1999
Chevrolet Corvette 1995, 1996, 1997, 1998, 1999
Chevrolet Impala 1995, 1996
Chevrolet Malibu 1997, 1998, 1999
Chevrolet S10 1997, 1998, 1999
Chevrolet Suburban 1995, 1996, 1997, 1998, 1999
Chevrolet Tahoe 1995, 1996, 1997, 1998, 1999
GMC Envoy 1998, 1999
GMC Yukon 1995, 1996, 1997, 1998, 1999
Pontiac Grand Am 1995, 1996, 1997, 1998, 1999
Pontiac Grand Prix 1995, 1996, 1997, 1998, 1999

Every document filed under PIP4723C

Document IDFiledType
PIP4723C September 20, 2017 Service bulletin

What PIP4723C covers

Wheels & tires, Fuel system, Electrical — the component vocabulary NHTSA files this communication under.

← All Cadillac Escalade TSB years TSB lookup by model

Questions buyers ask

What is TSB PIP4723C?

PIP4723C is a service bulletin filed with NHTSA by Cadillac, Chevrolet, GMC and Pontiac, covering 13 Cadillac, Chevrolet, GMC and Pontiac models across the 1995–1999 model years. NHTSA's summary reads: This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving…

Which vehicles does PIP4723C cover?

NHTSA's file names Cadillac Escalade (1999); Chevrolet Blazer (1995–1999); Chevrolet Camaro (1995–1999); Chevrolet Corvette (1995–1999); Chevrolet Impala (1995–1996); Chevrolet Malibu (1997–1999); Chevrolet S10 (1997–1999); Chevrolet Suburban (1995–1999); Chevrolet Tahoe (1995–1999); GMC Envoy (1998–1999), and 3 more vehicles listed on this page. A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB PIP4723C a recall, and is the repair free?

No. PIP4723C is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of PIP4723C?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under PIP4723C, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under PIP4723C. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.