ISUZU · 2026-04-22
SERVICE BULLETIN - THE ORIGINAL CALIBRATION IN THE ELECTRONIC HYDRAULIC CONTROL UNIT (EHCU) OF CERTAIN 2025 – 2026 MY N-DIESEL VEHICLES CONTAINED INCORRECT LOGIC THAT MAY UNNECESSARILY CAUSE DTC C2200 (49) ANTI-LOCK BRAKE MODULE INTERNAL – INTERNAL ELECTRONIC FAILURE TO SET AND ILLUMINATE THE ABS MALFUNCTION INDICATOR LIGHT (MIL). AN UPDATED EHCU CALIBRATION CORRECTING THIS CONCERN IS NOW AVAILABLE.