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Service bulletins for the 2023 Peterbilt 537

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.

31 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
23PBB2023-06-03. Service bulletin. SERVICE BRAKES, AIR. Safety Recall The brake pedal plunger which connects the brake pedal to the brake valve may dislodge after the pedal is fully depressed, and rapidly released (side slip foot brake release). If the plunger in the brake pedal assembly dislodges the driver may be unable to apply the service brakes, which may increase the risk of a crash.
51-0152023-03-31. Service bulletin. EQUIPMENT. RFID (Radio Frequency ID) tags are being added and used to track Non-Test Ready (NTR) trucks to efficiently locate them once they are off the production line, but still on the premises. The tags are left on the trucks which have been sold.
63-0092022-12-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Peterbilt SmartLINQ subscriptions can be renewed online via PACCAR Solutions RemoteDiagnostics web portal.
03-0852022-11-04. Service bulletin. VISIBILITY. This is a follow-up bulletin to shortage bulletin S017. Parts kits are now available to install the Bendix Side Collision Mitigation Radar system (BlindSpotter) on chassis that were delivered with a prewire sales code due to parts shortages. Ordering and installation procedures are included.
45-0642022-11-02. Service bulletin. ENGINE AND ENGINE COOLING. Info Only - PACCAR is introducing Over-the-Air (OTA) software updates for engine MY17 and newer chassis equipped with Cummins X15, X12, ISX12, ISX12N, L9N, PX-7, and PX-9 engines The technology will leverage the existing Remote Diagnostic cs hardware to deliver secure software updates remotely. This will reduce downtime and save on maintenance costs for eligible vehicles.
13-0602022-09-06. Service bulletin. SERVICE BRAKES. The service information for Bendix Air Dryer maintenance is being updated to include new procedures.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.