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  3. DTC
Telematics & Hardware

What is DTC?

Diagnostic Trouble Code

Definition

A DTC is a standardised code (for example P0128) reported by a vehicle’s onboard computer when it detects a fault. Each code maps to a specific system issue, allowing technicians to diagnose problems quickly.

Why it matters for Indian fleets

Reading DTCs remotely lets fleet managers know a truck has an emerging fault while it is still on the road, so service can be scheduled before failure.

Explore MobiSafe OBD Diagnostics

Related terms

OBD-IIPredictive Maintenance

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