Learn
Short objectives point to reviewed public explanations and exact boundaries.
View plansSCANWRENCH ACADEMYLearn the evidence.
Learn the evidence.
Practice the call.
Role-based training for owners, buyers, technicians, shops, fleets, electrified vehicles, hardware access, parts decisions, and premium custody. Every school ends with decisions you can defend.
THE MASTERY LOOPNot another pile
Not another pile
of articles.
Decide
Case simulations force a next choice with evidence, cost, and safety consequences.
Prove
Mastery checks explain every answer and require an evidence-based passing score.
Apply
Field missions turn the method into a cleaner real-world scan or handoff.
YOUR ACADEMY RECORD—
0/40 applied lessons · 0/10 mastery checks passed
0%
This public Academy record stays in this browser. The iOS app can recommend lessons from a scan without uploading vehicle evidence.
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01
Foundation · Drivers, families, new owners
Driver + Owner Essentials
Respond to a warning without erasing the evidence or turning a code into a parts order.
0/4lessonsAssessment open
Competencies
Triage warning urgency
Preserve the original scan
Explain code status
Verify a repair outcome
01guide
The first ten minutes after a warning
Separate stop-now conditions from evidence that can be captured safely.
02guide
What the code actually proves
Read the reporting system and detected condition without naming an unproven part.
03guide
Stored, pending, and permanent
Use code status to understand where the observation sits in the confirmation cycle.
04field mission
Field mission: preserve the failure scene
Capture the warning, operating state, code channels, freeze frame, and limitations.
MASTERY CHECK3 scored decisions
02
Foundation · Hands-on owners and apprentices
DIY Diagnostic Foundations
Build a testable hypothesis and choose the smallest safe measurement that separates it from alternatives.
0/4lessonsAssessment open
Competencies
Form competing hypotheses
Choose discriminating tests
Recognize evidence gaps
Avoid parts-cannon reasoning
01guide
Evidence-first diagnostic workflow
Move from observation to ranked causes, decisive tests, repair, and equivalent verification.
02guide
Reconstruct the failure scene
Use freeze-frame values as one operating scene instead of isolated thresholds.
03guide
Catch an intermittent fault
Preserve time, state, recurrence, and environmental evidence before it disappears.
04case
Case lab: intermittent no-start
Choose between supply, network, fuel, and authorization evidence without guessing.
MASTERY CHECK3 scored decisions
03
Intermediate · DIY, technicians, shop diagnosticians
Scan Data + Electrical Reasoning
Turn live parameters, voltage behavior, monitor results, and operating state into comparable evidence.
0/4lessonsAssessment open
Competencies
Build state-aware baselines
Correlate related signals
Interpret fuel correction
Screen supply-voltage effects
01guide
Build a useful live-data baseline
Compare cold start, warm idle, steady state, and controlled load with known units and provenance.
02guide
Read fuel-control patterns
Compare total correction, banks, and operating states without calling the cause prematurely.
03guide
Use Mode $06 honestly
Retain raw identifiers when exact scaling or definitions are unavailable.
04case
Case lab: lean at warm idle
Separate unmetered air, delivery, sensing, and operating-context paths.
MASTERY CHECK3 scored decisions
04
Foundation · Private buyers, dealers, inspectors
Used-Vehicle Buyer Academy
Detect reset evidence, preserve uncertainty, and combine electronic findings with a real inspection.
0/4lessonsAssessment open
Competencies
Read readiness as reset evidence
Recognize clean-scan limits
Build a buyer evidence packet
Explain risk without a fake lemon verdict
01guide
Run a pre-purchase evidence scan
Record all code channels, readiness, identity, warning state, and unavailable modules.
02guide
Spot recently reset evidence
Separate supported, complete, incomplete, and unsupported monitor states.
03case
Case lab: clean screen, incomplete monitors
Decide what a no-code scan means when catalyst and EVAP have not run.
04field mission
Field mission: buyer handoff
Document what was inspected, what was unavailable, and which independent checks remain.
MASTERY CHECK3 scored decisions
05
Advanced · Technicians, advisors, independent shops
Professional Evidence Workflow
Create a technician-ready record that survives handoffs, reduces comebacks, and proves what changed.
0/4lessonsAssessment open
Competencies
Scope module coverage
Package diagnostic evidence
Write defensible findings
Close the verification loop
01guide
Separate generic and enhanced access
State the diagnostic layer, reporting module, exact definition source, and unavailable functions.
02guide
Verify the repair under equivalent conditions
Compare codes, status, monitor completion, and measured behavior before and after.
03case
Case lab: comeback prevention
Choose a release decision when a symptom is gone but the monitor has not rerun.
04field mission
Field mission: evidence handoff
Produce observed facts, hypotheses, proving tests, result, and remaining unknowns.
MASTERY CHECK3 scored decisions
06
Intermediate · Fleet managers, rental operators, custodians
Fleet + Rental ReturnProof
Compare departure and return evidence without overstating causation, identity, or driver behavior.
0/4lessonsAssessment open
Competencies
Create custody baselines
Compare state changes
Flag reviewable events
Protect privacy and attribution
01guide
Build a departure baseline
Capture identity, warnings, codes, readiness, mileage context, and visible condition before custody changes.
02guide
Preserve event context
Keep time, operating state, recurrence, and limitations attached to an event.
03case
Case lab: premium vehicle return
Separate a newly observed fault from an unsupported allegation about who caused it.
04guide
Close the custody record
Compare before/after facts and route anomalies to a qualified review.
MASTERY CHECK3 scored decisions
07
Advanced · Owners, buyers, service professionals
Hybrid + EV Data Literacy
Interpret low-voltage, cell or block behavior, state estimates, and capacity evidence without crossing high-voltage safety boundaries.
0/4lessonsAssessment open
Competencies
Separate SOC from SOH
Screen 12V dependencies
Evaluate repeatable imbalance
Escalate high-voltage hazards
01guide
Start with the low-voltage foundation
Relate supply voltage, operating state, charging behavior, and network symptoms.
02guide
Read traction-battery evidence
Separate cell or block spread, temperature, resistance estimates, state, and usable capacity.
03case
Case lab: repeated hybrid imbalance
Rank repeatability, temperature, load, code, and exact-profile evidence.
04case
Case lab: EV low-voltage cascade
Recognize how 12V instability can create broad communication and wake-up symptoms.
MASTERY CHECK3 scored decisions
08
Advanced · Power users, shops, profile evaluators
Hardware + OEM Access
Understand the exact chain from phone and adapter through protocol, software, license, gateway, vehicle, and function.
0/4lessonsAssessment open
Competencies
Specify exact hardware identity
Separate access layers
Recognize gateway authority
Publish bounded compatibility evidence
01guide
Choose an iPhone-compatible adapter
Compare BLE, Wi-Fi, firmware, electrical behavior, and protocol reliability.
02guide
Map generic, enhanced, command, coding, and programming layers
Prevent a connector or engine-scan success from becoming an all-system claim.
03guide
Understand secure gateways and OEM authority
Treat authentication, subscription, role, geography, and vehicle state as exact dependencies.
04field mission
Field mission: compatibility evidence
Record exact hardware, firmware, platform, vehicle, module, function, and signed result.
MASTERY CHECK3 scored decisions
09
Intermediate · Owners, buyers, technicians, advisors
Exact Parts + Repair Decisions
Establish exact part identity before comparing sellers, prices, condition, or delivery.
0/4lessonsAssessment open
Competencies
Anchor exact manufacturer numbers
Separate fitment from similarity
Evaluate seller and condition risk
Preserve repair uncertainty
01guide
Part number before price
Use vehicle application, brand, exact manufacturer number, suffix, position, and supersession evidence.
02guide
Do not convert DTCs into carts
Keep code-directed testing separate from parts sourcing.
03case
Case lab: the wrong suffix
Reject a cheaper listing when interchange, position, or revision evidence does not match.
04guide
Verify installation outcome
Document the installed identifier and repeat the original proving condition.
MASTERY CHECK3 scored decisions
10
Advanced · Exotic owners, fleets, service coordinators
Premium Custody + Security Intake
Protect high-value vehicles with custody-grade evidence and lawful security-service intake—without publishing bypass instructions.
0/4lessonsAssessment open
Competencies
Create premium custody records
Minimize sensitive data
Verify service authority
Escalate exact OEM workflows
01guide
High-value vehicle evidence boundaries
Keep topology, coverage, battery, mileage, warnings, and condition evidence scoped to the exact platform.
02guide
OEM access and secure gateways
Identify when customer-supplied credentials, subscriptions, or authorized facilities are required.
03case
Case lab: premium return event
Build a neutral before-and-after record without unsupported causation.
04field mission
Authorized key-service intake
Teach identity, ownership, custody, consent, audit, and provider handoff without operational bypass content.
MASTERY CHECK3 scored decisions
COMPLETION RECORDMake the learning
Make the learning
portable.
When all ten mastery checks are passed, create a private printable record showing the curriculum version and completed competencies. It never impersonates an industry license or OEM qualification.
SCANWRENCH ACADEMY · 2026.10/10 mastery checks
Pass 10 more mastery checkpoints to unlock printing.
CREDENTIAL TRUTHSerious education.
Serious education.
Exact claims.
ScanWrench completion records show which curriculum version and mastery checks a learner completed.
They do not represent ASE certification, OEM authorization, a repair license, high-voltage qualification, locksmith authority, or permission to command a vehicle.
Key-service content covers lawful intake, identity, ownership, custody, consent, audit, and qualified-provider handoff. It excludes bypass instructions.