Does the 2021 Peterbilt 348 have any recalls?

4 recalls found in NHTSA data as of September 22, 2026, covering: service brakes, hydraulic, electrical system, fuel system, diesel, service brakes, air, power train. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.

How do I check if my 2021 Peterbilt 348 recall has been fixed?

Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Peterbilt dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.

How many complaints have owners filed about the 2021 Peterbilt 348?

0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.

2021 Peterbilt 348 recalls

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

4 recalls found in NHTSA data as of September 22, 2026

For the 2021 Peterbilt 348. These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

Has your Peterbilt been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

Check your VIN with NHTSA

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Peterbilt dealer can also check your VIN. Recall repairs are free.

2021 Peterbilt 348 recalls, newest first

December 9, 2024NHTSA 24V915000220,764 vehicles potentially affected

Service brakes, hydraulic › Antilock/traction control/electronic limited slip › Control unit/module

Summary: PACCAR Incorporated (PACCAR) is recalling certain 2021-2025 Peterbilt and Kenworth vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Please see the recall report for a complete list of models. Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop functioning.
Consequence: Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may not function properly or at all, increasing the risk of a crash.
Remedy: Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed February 3, 2025. 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 24KWL and 24PBL.
Components: Service brakes, hydraulic › Antilock/traction control/electronic limited slip › Control unit/module; Electrical system › Software

This recall on nhtsa.gov

May 26, 2021NHTSA 21V391000612 vehicles potentially affected

Fuel system, diesel › Fuel injection system › Fuel rail

Summary: PACCAR Incorporated (PACCAR) is recalling certain 2018-2021 Peterbilt 337, 348, 365, 367, 520, 567, Kenworth T270, T370, T440, T470, T800 and T880 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWC and 21PBD.

This recall on nhtsa.gov

May 10, 2021NHTSA 21V32800013 vehicles potentially affected

Service brakes, air › Disc › Chamber

Summary: PACCAR Incorporated (PACCAR) is recalling certain 2021 Peterbilt 348 and 579 vehicles. The spring brake chamber may have been assembled with incorrect springs that were out of specification, which may cause the pressure plate to shift.
Consequence: The pressure plate may tear the diaphragm, causing a loss of air pressure and increasing the risk of a crash.
Remedy: Dealers will replace brake chambers, free of charge. Owner notification letters were mailed on July 9, 2021. Owners may contact PACCAR (Peterbilt) customer service at 1-940-591-4220. PACCAR's number for this recall is 21PBE.
Components: Service brakes, air › Disc › Chamber; Service brakes, air

This recall on nhtsa.gov

August 26, 2020NHTSA 20V5060001,097 vehicles potentially affected

Power train › Axle assembly

Summary: PACCAR Incorporated (PACCAR) is recalling certain 2020-2021 Peterbilt 348, 365, 367, 389, 520, 567 and Kenworth T800, T880, W900, W990 vehicles equipped with Watson and Chalin steerable lift axle suspension systems (model SL2065). The axles may have lower rear pivot bolts that are not long enough to sufficiently engage the locking feature of the corresponding nuts.
Consequence: The short screws can cause the hardware to separate from the suspension system and become road hazards, increasing the risk of a crash and/or injury.
Remedy: PACCAR will notify owners, and dealers will inspect suspect chassis and replace the pivot bolts, as necessary, free of charge. The recall began September 29, 2020. Owners may contact Kenworth customer service at 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall is 20PBE and 20KWC.

This recall on nhtsa.gov

Owner complaints

No owner complaints about the 2021 Peterbilt 348 were found in NHTSA’s complaint data.

Other Peterbilt 348 years

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Questions

Does the 2021 Peterbilt 348 have any recalls?: 4 recalls found in NHTSA data as of September 22, 2026, covering: service brakes, hydraulic, electrical system, fuel system, diesel, service brakes, air, power train. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 2021 Peterbilt 348 recall has been fixed?: Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Peterbilt dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 2021 Peterbilt 348?: 0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.