SureTrack is an expert information system designed to provide experience-based diagnostic and repair tips. SureTrack is available on some Snap-on diagnostic tools and as part of ShopKeyPro Repair Information System. By looking up a vehicle, symptom or fault code, you can see repair tips and verified parts replacement records for similar vehicles and problems. Shown below is a Real Fix Tip for a 2001 Chevy Tahoe with a P0101 code that has set. Also presented is some helpful information SureTrack has available associated with this Real Fix Tip.
What is a Real Fix Tip?
A Real Fix Tip is just what the name implies, a real-life, successful fix. SureTrack Real Fixes have been written by expert technicians about real-world repairs that were done in thousands of shops across the country.
The Real Fix Tip shown below, like other Tips on SureTrack, can be composed of several parts; these parts are explained in a bit more detail below. Follow along with the numbers to see all the information SureTrack has to offer for this particular Real Fix Tip.
Real Fix Tip – 2001 Chevrolet Tahoe 5.3 with a P0101

A Real Fix Tip from SureTrack
1. Tabular Display
SureTrack uses a three-tab system to display and organize results. In the example above, the technician added vehicle information for a 2001, Chevy Tahoe with a 5.3 liter engine. In the search bar they added the code P0101. In the screenshot above, you can see the results brought up the most closely related Real Fix for this issue, the Common Replaced Parts graph, the Component Test tab and the Library tab. With the tabular display system, you see the answers you need organized in a way to help you get the fastest route to a diagnosis and repair.
2. Common Replaced Parts Graph
Which part is actually the root cause of the problem? The Common Replaced Parts graph displays the results from completed repairs. See which parts, commonly related to the Real Fix Tip, are most frequently replaced to complete the repair for vehicles similar to the one in your shop. As you can see in this Real Fix, the most common part replaced was the Mass Airflow Sensor, and that was part was most commonly replaced at 125,000 miles.
3. The Real Fix Tip Itself
The Real Fix Tip shows the Complaint, Cause and Correction for the vehicle problem, and includes any symptoms the customer may have experienced. As you can see in this Real Fix Tip, the customer complained that their 2001 Chevy Tahoe’s check engine light was on and the engine lacked power intermittently.
The Cause shows the diagnostic process forhipble. In this example, the technician used the scan tool and found fault code P0101, which pointed them in the direction of the mass airflow (MAF) sensor. The technician then used the scan tool to find that the MAF sensor’s parameters were out of the specified range, which again pointed the tech to an issue with the MAF sensor. The technician confirmed there were no faults with the circuits going from the powertrain control module to the MAF sensor and was able to confidently diagnose that the issue was a faulty MAF sensor.
The Correction section shows what the technician repaired and/or replaced to resolve the problem, as well as confirmation of the repair. The Real Fix Tip above explains that the technician replaced the MAF sensor, cleared the codes and confirmed the vehicle operated properly with a road test.
4. Fixed It!
The “Fixed It!” designation indicates that the Tip has helped at least one technician in the community repair a vehicle. Anytime you read a Real Fix Tip you are given the opportunity to add to the Fixed It! count if the Tip helped you repair a problem. The Fixed It! count lets you easily see what Tips are actually helping to resolve vehicle issues.
In the Real Fix Tip above, you can see that this Tip has helped other community members fix a car in their bay.
Component Tests
The SureTrack Component Test tab feature, provides specific component operational information including: how to locate the component on the vehicle, how to set up a meter to test the component, the best place on the vehicle to connect the meter, component connector pin assignments, and what measurements you should expect to see.
While reading the P0101, MAF sensor Real Fix Tip above, if you click the Component Test tab, you will see the screen below. For this Real Fix Tip you will get information about the MAF sensor for this vehicle including: component operation, best test location, location of the component on the vehicle, testing information and connector pin-outs.
Component Test – MAF Sensor Information for our P0101 Real Fix Tip

Component Tests and Information from SureTrack
Waveform and Graph Images
SureTrack has a comprehensive collection of test results gathered through actual on-vehicle tests. Data graphs and scope waveforms provide a point of reference to verify faulty parts. While the examining the P0101, MAF sensor Real Fix Tip above, you can click the Library Tab and you will see the screens below that offer a library of data graphs and waveforms to compare with your findings.
Library – PID Graph and Waveform Menu for our P0101 Real Fix Tip

SureTrack Library Menu
Known Good MAF Frequency Waveform for our P0101 Real Fix Tip

MAF Frequency Waveform
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