Komatsu · CA153
Charge Air Temperature Sensor High Error
What this code means
Charge air (intake air) temperature sensor feedback voltage is too high (high error). Action level L03.
Applies to: PC200-8/PC200-8M0 excavator (engine controller).
Need the part?
If diagnosis points to a failed sensor, solenoid, controller or harness part, send us the code (CA153), machine model and serial number — we quote genuine and OEM replacement parts for export.
Ask for the replacement part on WhatsAppSource: Komatsu PC200-8M0 Shop Manual (SEN06131-00) – Failure codes table. Cross-checked in two independent sources. Compiled 2026-10-30. No manufacturer affiliation.