TSB PIC5650L — Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn Service bulletin

PIC5650L is a service bulletin on file with NHTSA for 26 Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn models, 2007–2009 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935.…

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

1Document filed
26Vehicles named
3Model years

Vehicles and model years PIC5650L names

VehicleModel years
Buick Enclave 2008, 2009
Buick LaCrosse 2007, 2008, 2009
Cadillac CTS 2007, 2008, 2009
Cadillac Escalade 2007, 2008, 2009
Cadillac SRX 2007, 2008, 2009
Chevrolet Avalanche 2007, 2008, 2009
Chevrolet Cobalt 2007, 2008, 2009
Chevrolet Colorado 2007, 2008, 2009
Chevrolet Corvette 2007, 2008, 2009
Chevrolet Equinox 2007, 2008, 2009
Chevrolet HHR 2007, 2008, 2009
Chevrolet Impala 2007, 2008, 2009
Chevrolet Malibu 2007, 2008, 2009
Chevrolet Suburban 2007, 2008, 2009
Chevrolet Tahoe 2007, 2008, 2009
Chevrolet Trailblazer 2007, 2008, 2009
Chevrolet Traverse 2009
GMC Acadia 2007, 2008, 2009
GMC Canyon 2007, 2008, 2009
GMC Envoy 2007, 2008, 2009
GMC Yukon 2007, 2008, 2009
Pontiac G6 2007, 2008, 2009
Pontiac Grand Prix 2007, 2008
Pontiac Vibe 2007, 2008, 2009
Saturn Ion 2007
Saturn Vue 2007, 2008, 2009

Every document filed under PIC5650L

Document IDFiledType
PIC5650L September 6, 2024 Service bulletin

What PIC5650L covers

Electrical — the component vocabulary NHTSA files this communication under.

← All Buick Enclave TSB years TSB lookup by model

Questions buyers ask

What is TSB PIC5650L?

PIC5650L is a service bulletin filed with NHTSA by Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn, covering 26 Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn models across the 2007–2009 model years. NHTSA's summary reads: This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935.…

Which vehicles does PIC5650L cover?

NHTSA's file names Buick Enclave (2008–2009); Buick LaCrosse (2007–2009); Cadillac CTS (2007–2009); Cadillac Escalade (2007–2009); Cadillac SRX (2007–2009); Chevrolet Avalanche (2007–2009); Chevrolet Cobalt (2007–2009); Chevrolet Colorado (2007–2009); Chevrolet Corvette (2007–2009); Chevrolet Equinox (2007–2009), and 16 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 PIC5650L a recall, and is the repair free?

No. PIC5650L 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 PIC5650L?

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 PIC5650L, 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 PIC5650L. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.