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DTC‐Masking‐Procedures
ECU ENGINEER edited this page Jan 10, 2026
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The XRS-9000 utilizes Service 0x14 Filtering. When a scan tool sends a ReadDTCByStatus request, the XRS-9000 intercepts the ECU response and scrubs the payload for forbidden Hex strings.
- P0420/P0430: Catalyst Efficiency (For exhaust modifications).
- U0100: Lost Communication with ECM/PCM (For module swaps).
- P0601: Checksum Memory Error (For unsigned firmware flashes).