This 2-page PDF is a CAT Boost Pressure DTC diagnostic reference covering fault code 0102-03 (Boost Pressure voltage high) for Caterpillar diesel engines. It provides the troubleshooting workflow and electrical checks a technician needs when this specific diagnostic trouble code is logged by the engine control module.
Official CAT Boost Pressure DTC document details
| Brand | Caterpillar (CAT) |
| Model coverage | C11, C13, C15 (All Others) |
| System / Group | DTCs — Boost Pressure sensor circuit |
| Publication no. | 0102-03 |
| Year / Revision | Not specified |
| Pages | 2 |
| File size | 0.1 MB |
| Format | |
| Language | English |
Document table of contents
- 43 – 0102-03 Boost Pressure voltage high (Page 25-1)
- 43 – 0102-03 Boost Pressure voltage high — continued (Page 25-2)
Applicable truck models
This document applies to Caterpillar C11, C13, and C15 diesel engines classified under the “All Others” sub-group. These engines are widely installed in Class 8 on-highway trucks, vocational vehicles, and select off-highway equipment. The fault code 0102-03 indicates the boost pressure sensor signal voltage exceeds the expected range, pointing to potential wiring faults, a failed sensor, or turbocharger system issues. Mechanics working on any chassis equipped with these CAT engine platforms should consult this guide when the code appears. For additional technical resources and service bulletins, visit Caterpillar’s official support page.
Who needs this Boost Pressure DTC manual
Fleet mechanics, independent diesel technicians, and workshop owners servicing Caterpillar-powered trucks will find this document essential when diagnosing a voltage-high condition on the boost pressure sensor circuit. It is also valuable for vocational-equipment shops that maintain C11, C13, or C15 engines and need a concise, factory-referenced troubleshooting path for DTC 0102-03.
The full PDF is available in the DiagTechPro manuals library. A free account is required to download.
Related manuals library
Sản phẩm liên quan cho hãng này
Cùng brand theo taxonomy hiện có trong catalog WooCommerce.
CAT Perkins Pack – Premium Power & Performance by Caterpillar
CAT SIS
