What does CarMD test?

CarMD handheld testers, mobile and desktop software monitors all of the systems throughout the vehicle that are related to on-board diagnostics. This translates into coverage of approximately 80 percent of the vehicle’s systems.

The CarMD device, website and app are meant to provide a basic overview of probable causes related to engine, electronic and emissions systems in your vehicle. This product should be used as a supplement to a regular automotive maintenance program, which also includes basic mechanical upkeep such as regularly checking your tire pressure, oil and fluids.

CarMD is able to monitor and test the following:

  • Air Bags / Supplemental Restraint System (SRS)
  • Air Conditioning A/C Clutch Status
  • Anti-Lock Brake System (ABS)
  • Camshaft Position Sensor
  • Catalytic Converter(s) Failure
  • Check Engine Light Diagnosis
  • Clutch Position Sensor
  • Comprehensive Component Monitoring System
  • Crankshaft Position Sensor
  • Cruise Control System
  • EGR (Exhaust Gar Recirculation) Valve Problem
  • Engine Control Module Failure
  • Engine Coolant Temperature (ECT)
  • Engine Misfire
  • Engine Oil Monitoring System (If Vehicle Equipped)
  • Engine Speed RPM Input Circuit
  • Evaporative Emissions System Malfunction (EVAP)
  • Exhaust Gas Recirculation System (EGR)
  • Fuel Injector Control System Failure
  • Fuel Sending Unit System
  • Fuel Metering System (Too Rich/Too Lean)
  • Heated Catalyst Monitor System
  • Heated Oxygen Sensor HO2S Circuit
  • Idle Air Control (IAC) Valve Circuit Low Voltage
  • Ignition System Failure
  • Intake Air Control Valve Monitor
  • Intake Air Heater
  • Intake Air Temperature IAT Sensor Circuit High Voltage Knock Control System (Sensor/Circuit)
  • Loose/Missing/Damaged Gas Cap
  • Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
  • Mass Air Flow Circuit/Sensor
  • Non Methane Hydrocarbon (NMHC) Monitor (If Vehicle Equipped)
  • Oxygen Sensor(s) Failure (Sensor/Circuit)
  • Power Stering Pressure System (Sensor/Circuit)
  • Radiator Fan Control System (FC)
  • Secondary Air Injection System
  • Supercharger & Turbocharger/Boost Sensor Malfunction
  • Thermostat
  • Throttle Position (TP) Sensor/Circuit
  • Torque Converter Clutch
  • Transmission Fluid Monitoring System (If Vehicle Equipped)
  • Transmission Shift Solenoids
  • Vacuum Leak Detection
  • Vehicle Speed Sensor (VSS) system/circuit

CarMD does not monitor or test:

  • (Any mechanical parts)
  • Alarm System
  • Audio/Entertainment System
  • Belts & Hoses
  • Body Damage
  • Brake Pad Wear
  • Door Locks
  • General Fluid Levels
  • Wiper Blades
  • Interior Condition
  • Maintenance History
  • Service Indicator Light (Not to be confused with the “Check Engine” or “Service Engine Soon” light. The “Service Light” is a courtesy maintenance reminder recommended by the vehicle manufacturer. It is usually tied to vehicle mileage.)
  • Tire Condition
  • Tire Pressure (TPMS)
  • Windows
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NoneWhat does CarMD test?