Redeeming a Tune In & Tune Up Voucher

Voucher Qualification
  • The participating vehicle must meet the following criteria:
    • Currently registered in California.
    • Registered with the California DMV as a Planned Non-Operational (PNO).
    • Currently delinquent in the California registration renewal process.
    • Is not eligible for a manufacturer’s warranty, extended warranty, or has any emission-related open recalls. Click here for more information.
    • Is a gasoline-powered light- or medium-duty vehicle (GVWR less than 14,000 pounds).
    • Is operational, testable, and capable of undergoing a Smog Test Inspection.
    • Has not used a voucher for repairs within the past twelve months.
  • The registered vehicle owner—whether an individual, nonprofit, or small business—must meet the following criteria:
    • Resides within the San Joaquin Valley jurisdiction.
    • Is not engaged in the business of purchasing and selling vehicles.
    • Agrees to all program terms and conditions before receiving a voucher.
    • Has not used a voucher for repairs within the past twelve months.
How to Redeem Your Voucher
  • Follow these steps to redeem your smog repair voucher:
    • Obtain a Voucher
      • Attend an in-person event or call 1-800-806-2004 to receive a smog repair voucher.
    • Schedule an Appointment
    • Smog Check Inspection
      • The smog station, with your authorization, will perform a smog check inspection to determine eligibility for repairs.
      • If your vehicle passes the inspection, you will receive a certificate of compliance.
      • If your vehicle fails the initial inspection, the shop will conduct a second emissions tailpipe test (for 2000 and newer vehicles) and perform a diagnostic test to identify the cause of failure.
    • Repair Estimate & Approval
      • The shop will provide a diagnostic report and an estimate of repair costs.
      • You must approve or decline the recommended repairs to proceed.
    • Repair & Payment Process
      • If you approve repairs and agree to any out-of-pocket expenses, payment will be required upon vehicle pickup.
      • The repair process may take 3 to 5 days, so we recommend reviewing all details before authorizing the shop to proceed.
    • If You Decline Repairs
      • The program will cover the cost of the inspection and diagnostics performed by the shop.
      • If you need more time to decide, we recommend returning within 90 days to avoid additional testing and diagnostic fees.
Emissions-Related Approved Repairs

TITU will only reimburse a participating STAR test-and-repair station for emissions-related repairs that are approved by the program and necessary to correct Smog Check inspection failure(s) identified on the Vehicle Inspection Report.

The following emissions-related repairs are covered by TITU.

  • Approved Cooling system repairs
    • Thermostats
    • Temperature sensors
    • Radiators and hoses
    • Cooling fans
    • Fan belts
    • Fan clutches and controls
    • Front grill shutter and controls, No bumper replacements
  • Approved Air injection system repairs
    • Air pump/Smog pump (Electric or mechanical)
    • Air injection manifolds
    • Air switching valves and check valves
  • Positive crankcase ventilation systems. This includes:
    • PCV valves
    • grommets
    • hoses
    • vacuum regulated diaphragms
    • valve covers with PCV integrated system
  • Exhaust gas recirculation systems
    • EGR valve
    • EGR controls (vacuum, or electronic)
    • Passage cleaning
  • Evaporative emissions control systems
    • EVAP leaks
    • Purge valve & solenoids
    • Vent valve & solenoids
    • Fuel breather valves
    • Rollover valves
    • EVAP canisters
    • Gas cap
  • Vacuum Brakes booster
    • Brake booster
    • Check valve
    • Vacuum Diaphragm
  • Computer control systems
    • oxygen sensors
    • A/F sensors
    • air flow meter sensors
    • boost sensors
    • Drive cycle to set monitors
    • Ignition systems
    • Spark plugs
      • Spark plug wires
      • Spark plug boot
    • Ignition coil(s)
    • Distributor
    • Cap & rotor
    • Crankshaft sensor
    • Camshaft sensor
    • Engine temperature sensor
  • Intake systems
    • Intake manifold
    • Intake manifold gaskets
    • Plenum gaskets
    • Intake manifold runners
    • Intake manifold runner controls
    • Superchargers & Components
    • Carburetors, Throttle body assemblies & gaskets
    • Air Intake tube or duct
    • Idle air control valves
    • Fresh air intake system
    • Valve cover gasket for vacuum leaks, not oil leaks
  • Fuel systems
    • Fuel injectors
    • Fuel filters
    • Fuel pump
    • Fuel tanks
    • Fuel filler neck
    • Liquid fuel leak condition
  • Mechanical repairs such as:
    • Valve adjustment on vehicles where the valves can be adjusted by simply removing the valve cover will be covered. However, valve adjustments that required head removal or camshaft removal are not approved.
    • Variable valve timing solenoids (VVT), cylinder deactivation solenoid
  • Exhaust emissions control systems
    • Exhaust manifold gaskets
    • Exhaust manifold
    • Flex pipe kit (cut and weld/bolt)
    • Doughnut gasket, Exhaust Flange kit and flange bolts for exhaust leak failures
    • Catalytic converters (No, incorrect catalytic converters. No Straight pipe)
    • Manifold converters (No, incorrect catalytic converters. No Straight pipe)
    • Turbochargers & components
Non-Approved Repairs

Transmission repairs, which are usually identified by 700 or 800 series DTCs stored in memory (or any manufacture specific transmission codes), are not approved.

  • All Charging systems and Starting systems are not covered.
    • a. Alternators
    • b. Batteries and cables
    • c. Ignition switches
    • d. Starters
    • e. Keys, etc. (ALL)
  • Brake systems are not covered, this includes:
    • a. ABS, ABS systems, components, and controls, etc.
    • b. Wheel speed sensor
    • c. Master brake cylinder
    • d. Brake lines
    • e. Brake Fluid
  • Schedule maintenance items that are not covered.
    • a. Oil changes
    • b. Oil filter
    • c. Air filters
    • d. Scheduled maintenance items are not covered.
  • HVAC & Cooling system repairs are not covered. This includes:
    • a. Water pumps
    • b. HVAC Codes
    • c. Ambient air temp sensor
    • d. Heater core (HVAC)
    • e. Evaporator core (HVAC), and hoses
  • Mechanical repairs are not covered. This includes, but is not limited to:
    • a. Valves grinds
    • b. Cylinders heads
    • c. Piston rings
    • d. Engine oil pressure systems/switches
    • e. mufflers, exhaust pipes and resonators
    • f. Valve cover gaskets (for oil leaks)
  • Modified and tampered emission control systems are not covered by the district except for stolen/missing catalytic converters (CAT(s).
    • a. Modified Catalytic Converters are not covered. (Non-CARB compliant)
    • b. Straight Pipe installed instead of a Catalytic Converted will be treated as an intentional modified and therefore it will not be covered.
Specific Program Information
  • The following vehicles are not eligible for program participation.
    • Vehicles with GVWR greater than 14,000 pounds
    • Diesel Vehicles
    • Electric Vehicles (Full EV)