Vehicle Safety Data

2020 CHEVROLET SILVERADO 4500 — Problems, Recalls & Safety Data

Check any vehicle history by VIN - Free vehicle history report

N/A

Safety Rating

3

Owner Complaints

2

Recalls

ACTIVE RECALL

35

Service Bulletins

0

Investigations

Overview of the 2020 CHEVROLET SILVERADO 4500

The 2020 CHEVROLET SILVERADO 4500 has received a total of 3 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 2 recall campaigns affecting this vehicle, covering issues with SERVICE BRAKES, HYDRAULIC:POWER ASSIST, SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING:SWITCH/SENSOR/FLOAT. 35 technical service bulletins have been issued by General Motors, LLC for this model year. The most commonly reported problems involve the Engine (1 complaint), Power Train (1 complaint), and Service Brakes (1 complaint).

Recalls for the 2020 CHEVROLET SILVERADO 4500

NHTSA has recorded 2 recalls for the 2020 CHEVROLET SILVERADO 4500, potentially affecting up to 63,359 vehicles.

Recall 25V768000 — SERVICE BRAKES, HYDRAULIC:POWER ASSIST

| 891 vehicles affected

Defect: General Motors, LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado Medium Duty 4500HD, 5500HD, and 6500HD vehicles. These vehicles were remedied under NHTSA Recall 25V390 with a brake jumper wire harness that was assembled without protective tape. A wiring harness that is missing protective tape can allow the wires to become damaged.

Consequence: Damaged brake jumper wires can result in power brake assist failure, increasing the risk of a crash.

Remedy: Dealers will remove the installed wire harness, apply protective tape, and reinstall the wire harness, free of charge. Owner notification letters are planned to be mailed December 22, 2025. Owners may contact GM customer assistance number at 1-866-467-9700. GM's number...

View full details →

Recall 25V390000 — SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING:SWITCH/SENSOR/FLOAT

| 62,468 vehicles affected

Defect: General Motors (GM) is recalling certain 2019-2024 Chevrolet Silverado Medium Duty 4500HD, 5500HD, and 6500HD vehicles. The brake pressure sensor assembly may leak brake fluid into the brake pressure switch and cause a short circuit.

Consequence: An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.

Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the brake pressure switch wire harness, free of charge. Owner notification letters were mailed September 11, 2025. Owners may contact GM...

View full details →

Owner Complaints for the 2020 CHEVROLET SILVERADO 4500

3 complaints have been filed with NHTSA for the 2020 CHEVROLET SILVERADO 4500. Below is a breakdown by vehicle component.

Engine
Complaints: 1
Power Train
Complaints: 1
Service Brakes
Complaints: 1

Most Recent Complaints

#11672450 | ENGINE | | N/A miles
Vehicle lost engine power on the road. Light display came on stating engine reduce power. It would not pull the trailer. Had to pull over and the display went away only to appear again later. We brought vehicle to chevrolet dealer . The part needed to hopefully fix is on backorder. There is also recall with no available remedy. This is a revenue generating vehicle. We had this problem happen on and off. Dealer didn't want us to bring in until the light physically stayed on dashboard for them to assess vehicle. It was now been in shop for over 2 months
#11672450 | POWER TRAIN | | N/A miles
Vehicle lost engine power on the road. Light display came on stating engine reduce power. It would not pull the trailer. Had to pull over and the display went away only to appear again later. We brought vehicle to chevrolet dealer . The part needed to hopefully fix is on backorder. There is also recall with no available remedy. This is a revenue generating vehicle. We had this problem happen on and off. Dealer didn't want us to bring in until the light physically stayed on dashboard for them to assess vehicle. It was now been in shop for over 2 months
#11672450 | SERVICE BRAKES | | N/A miles
Vehicle lost engine power on the road. Light display came on stating engine reduce power. It would not pull the trailer. Had to pull over and the display went away only to appear again later. We brought vehicle to chevrolet dealer . The part needed to hopefully fix is on backorder. There is also recall with no available remedy. This is a revenue generating vehicle. We had this problem happen on and off. Dealer didn't want us to bring in until the light physically stayed on dashboard for them to assess vehicle. It was now been in shop for over 2 months

Safety Rating for the 2020 CHEVROLET SILVERADO 4500

NHTSA has not yet tested the 2020 CHEVROLET SILVERADO 4500 in its New Car Assessment Program.

Technical Service Bulletins for the 2020 CHEVROLET SILVERADO 4500

General Motors, LLC has issued 35 technical service bulletins (TSBs) for the 2020 CHEVROLET SILVERADO 4500. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.

PIP5945 — POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:SHAFT:OUTPUT

This Preliminary information communicates how to inspect and verify propeller shaft phasing concerns on Medium Duty Silverado's 

20-NA-116 — ENGINE AND ENGINE COOLING

This informational bulletin provides information on Available Top Speed Changes and how to reach them.

PIP5853D — EQUIPMENT:ELECTRICAL

This PI communicates to dealers and technicians a Possible low voltage or poor ground to the TCCM.

PIP5922 — POWER TRAIN

This Preliminary information communicates the information that needs to be provided to a servicing Allsion transmission dealer for correct diagnostics and repairs 

N222378350 — EQUIPMENT

This message is to inform dealers that Customer Satisfaction Program N222378350, released on November 3, 2022 through GM GlobalConnect Message GCUS-3-2690, had a number of vehicles released in error. Involved vehicle status in IVH will be changed from “Open” to “Closed” for the impacted vehicles. Please verify a VIN’s status...

PIT5928 — EQUIPMENT ADAPTIVE/MOBILITY

This Preliminary information provides information to the technician on installing Regular Production Option Code K40 Exhaust Brake and/or 9L7 Upfitter Switches  Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 177. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show...

PIP5742A — ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

This Preliminary information communicates to the dealer technicians that a belt chirp or rubbing noise may be caused by the harmonic balancer out ring moving backward on the pulley and contacting the front cover.

PIT5691B — FUEL SYSTEM, GASOLINE

This Preliminary information communicates the need to Reference the latest version of GM Upfitter Integration Bulletin 149 for deleting the front or rear fuel tank of a chassis cab truck with RPO NSQ dual fuel tanks.

PIT5676B — ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:HOSES, FITTINGS, AND RESERVOIR

This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 148. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all...

N212345440 — ENGINE AND ENGINE COOLING

Heater Outlet Pipe ? Population Revised

Showing 10 of 35 technical service bulletins.

NHTSA Investigations for the 2020 CHEVROLET SILVERADO 4500

There are no NHTSA defect investigations on record for this vehicle.

Other Model Years of the CHEVROLET SILVERADO 4500

View all CHEVROLET SILVERADO 4500 model years →

Other CHEVROLET Models

View all CHEVROLET models →

Check any vehicle history by VIN - Free vehicle history report