No complaints are listed for the 2020 Peterbilt 548. NHTSA's API and bulk file list none in this build.
Data build 2026-10-08.
NHTSA lists this vehicle as PETERBILT 548.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
1 recalls.
Date: 2023-09-29. Systems: SERVICE BRAKES, AIR.
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Kenworth T280, T380, 2020-2024 Peterbilt 548, 536, 2024 Peterbilt 537, and 2020-2024 Kenworth T480 trucks. The timing of the trailer brake release may be delayed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
Consequence: A delay in the trailer brake release can create instability to the trailer and increase the risk of a crash.
Remedy: Dealers will replace the fittings and hoses in the affected valves, free of charge. Owner letters were mailed January 15, 2024. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at 1-940-591-4220. PACCAR's numbers for this recall are 23KWJ and 23PBJ.
Do not drive: No. Park outside: No.
Manufacturer communications
18 manufacturer communications.
Communications by system| System | Count |
|---|
| ENGINE | 3 |
|---|
| EQUIPMENT | 3 |
|---|
| SERVICE BRAKES, AIR | 3 |
|---|
| ELECTRICAL SYSTEM | 2 |
|---|
| ENGINE AND ENGINE COOLING | 2 |
|---|
| FUEL SYSTEM, DIESEL | 2 |
|---|
| Engine Cooling | 1 |
|---|
| SERVICE BRAKES | 1 |
|---|
11037541
Date: 2026-09-11. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
11033351
Date: 2026-05-06. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Troubleshooting procedures for 2.1m cab power windows are now available.
11032290
Date: 2026-04-16. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values.
11029787
Date: 2026-02-03. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
Cummins TSB 210203 has been updated to remove the PACCAR suction side fuel filter part number from Table 1 as the filter is no longer compatible.
11010926
Date: 2024-11-22. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
Info Only Unnecessary starter replacements can result from customer complaints regarding engine starting issues. A new Starter Troubleshooting Guide has been created to provide a comprehensive list of starting system checks, which should reduce unnecessary starter replacements and associated warran
11000756
Date: 2024-05-16. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
On certain Peterbilt, New Medium Duty chassis that are equipped with the optional engine intake air Pre-Filter (option code 3281830) the Pre-Filter may become clogged and cause premature failure/breach of the primary intake air filter. In some cases, a failed/breached primary filter can result in un
10248328
Date: 2023-12-22. Type: Service Bulletin/Repair Instructions. Systems: SERVICE BRAKES, AIR.
Certain 536, 537, 548, and 567 chassis built with 2.1m Medium Duty End of Frame Trailer Connections and Tractor Protection Valves may not meet the standard trailer brake release timing requirements by 0.5 seconds. A delay in the trailer brake release may create momentary instability to the trailer a
10244482
Date: 2023-10-23. Type: Service Bulletin/Repair Instructions. Systems: SERVICE BRAKES, AIR.
Certain 536, 537, and 548 chassis built with 2.1m Medium Duty End of Frame Trailer Connections may exceed the standard trailer brake release timing requirements by 0.5 seconds due to the size of the tractor protection valve fitting and hose. A delay in the trailer brake release can create instabilit
10237151
Date: 2023-05-03. Type: Service Bulletin/Repair Instructions. Systems: 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, wh
10231101
Date: 2023-01-12. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.
This campaign is the final opportunity to replace the oil filter screw cap to reduce occurrences of broken bypass valve tabs. Broken oil valve tabs can cause oil flow obstruction to critical engine parts, resulting in serious engine damage. Customers that do not receive this repair may be responsibl