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There is a new update that came out from CARB about testing, if you have newer diesel vehicles with OBD Ports then this info is for you.
Here is CARB's latest update:
"Clean Truck Check (CTC) first-phase readiness criteria will require a minimum of Operation Since codes Cleared (OSC). If the vehicle’s test result does not meet that minimum, the vehicle result will be NOT READY and will not pass the OBD test. This initial phase has a very low OSC threshold and will be increased over time to ensure the vehicle has had adequate operation for emissions monitors to complete their diagnostics checks.
Phase 1 Minimum OSC
- 3 Warm-Up Cycles (WUC)
- If the vehicle OBD system does not collect WUC, the CTC test will check for a minimum of 100 miles OSC.
- If neither WUC nor mileage are in the test record, the CTC test will check for a minimum of 200 minutes of OSC
Getting ready for the CTC OBD test
Things to do to have your best chance at passing the CTC OBD test:
More information about OBD readiness is available at: OBD Readiness Criteria | California Air Resources Board "
Just remember the key points...
Key points:
- Operation Since (OSC) requirements: The vehicle must meet minimum OSC criteria, such as warm-up cycles or mileage, to pass the OBD test.
- OBD test: If the vehicle doesn't meet the OSC requirements, it will fail the OBD test and be considered "Not Ready."
- OSC threshold: The initial OSC threshold is low but will increase over time.
- Malfunction Indicator Light (MIL): A lit MIL indicates potential vehicle issues and should be addressed promptly.
- Test timing: It's recommended to do the OBD test early in the inspection compliance window to allow for potential issues.
- Avoid clearing codes: Clearing codes can interfere with the OBD test's ability to assess emissions control system performance.
In essence, the CTC aims to ensure vehicles are operating correctly and contributing to cleaner air by verifying their emissions systems are functioning properly through OBD testing.
www.sacvalleydieseltesting.com
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