1 / 7

Product guide

FOXWELL HD500 Heavy-Duty Truck Scanner

The FOXWELL HD500 is a heavy-duty truck diagnostic scanner with a 5.5-inch screen, multiple vehicle-system diagnostics, and service functions including DPF regeneration and cylinder cutout tests. Its advertised coverage includes several diesel engine families, but supported functions vary by vehicle and VIN compatibility should be confirmed before purchase.

At a glance

Advertised for diesel engines including Cummins, Caterpillar, Detroit, Paccar, International and Hino.
Lists Engine, ABS, SRS, EPB, Park Brake and DPF diagnostics.
DPF functions include regeneration, reset and status monitoring. Isuzu DPF systems are not supported.
Cylinder cutout tests are intended to help identify weak or non-contributing cylinders.
Speed-limit adjustment and ABS bleeding are listed, with vehicle-specific limits.

Price

$479.98Save 20%

Reference price: ~~$599.99~~

Price checked: Nov 14, 2026

View offer

Pros and cons

Pros

The included adapter selection is aimed at several heavy-duty diagnostic connector types.
Multiple system coverage and DPF service functions support more than basic engine-code reading.
Cylinder cutout testing offers a targeted diagnostic option for suspected weak cylinders.

Cons

Bidirectional functions and VGT calibration are explicitly unsupported.
Advertised functions are vehicle-dependent, so the scanner may not provide every service operation on a given truck.

Technical specifications

11 specifications

Identity
Brand	FOXWELL
Model	FOXWELL HD500 Orange

Display
Screen size	5.5 inches

Power
Power configuration	Battery Powered
Operating system	Android 9.0

Vehicle diagnostics
Supported systems	Engine, ABS, SRS, EPB, Park Brake, DPF
Protocols	J1939, J1708, J1587, ISO9141-2, ISO14230-2, ISO15765-4
Supported adapters listed	6-pin, 9-pin, CAT-9, CAT-14, and 16-pin adapters

Functions and software
DPF service	DPF regeneration, reset, and status monitoring (DPD, DPR)
Cylinder testing	Cylinder Cutout Tests
Updates	lifetime f.ree updates

What to know before buying

Listing details to confirm

Listing details have inconsistencies and limits that matter: the title calls it a full-system scanner, while stated coverage names specific systems. Speed-limit adjustment applies only to select models and is not supported on Cummins engines. The listing also says Isuzu DPF systems, Allison transmission functions, bidirectional functions and VGT calibration are unsupported. Confirm VIN and engine compatibility, especially for service functions, before buying. DPF forced regeneration is subject to the stated engine-fault and temperature conditions.

What’s in the box

Included

DIESEL-6&9 adapter
CAT-9 adapter
CAT-14 adapter
Diagnostic cable
USB Type-C cable
HD500 truck scanner
USB charging adapter
User's manual

Who is it for?

A good fit for

Diesel truck owners or technicians seeking engine and selected system diagnostics with DPF service functions.
Buyers who need cylinder cutout testing and have confirmed compatibility with their specific engine and vehicle.

Less suited to

Anyone who needs bidirectional controls, VGT calibration or Allison transmission diagnostics.
Buyers requiring guaranteed compatibility or speed-limit adjustment across all vehicles.

FOXWELL HD500 Heavy-Duty Truck Scanner · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 416 ratings

5 stars59%59%
4 stars15%15%
3 stars9%9%
2 stars6%6%
1 star11%11%

Customer feedback describes the scanner as feature-rich and versatile, with positive comments about quality and accuracy. Reports on code accuracy and vehicle compatibility are mixed, and opinions on value are divided. That variability is relevant because the listed diagnostic and service functions depend on vehicle compatibility. Ratings are generally positive but include a meaningful spread across lower star categories, so they do not establish how well it will work with a particular truck.

Positive themes

Customers describe the tool as feature-rich and versatile.
Some customers report accurate performance and effective code clearing.

Negative themes

Some customers report that the scanner does not work with their vehicles.
Feedback includes negative comments about speed-limit adjustment.

Mixed feedback

Customers differ on code accuracy and overall value for money.

Frequently asked questions

Does the HD500 support every truck and every listed service function?

No. The listing says functions vary by vehicle. Speed-limit adjustment is limited to select models, and buyers are advised to confirm VIN compatibility.

Can it perform DPF regeneration on an Isuzu?

The listing specifically says it is not compatible with Isuzu DPF systems.

Does the HD500 support bidirectional testing or VGT calibration?

No. The listing explicitly states that bidirectional functions and VGT calibration are not supported.

What diagnostic systems are named?

The listing names Engine, ABS, SRS, EPB, Park Brake and DPF diagnostics.