This 2-page diagnostic document covers the CAT oil pressure voltage high condition associated with fault code 0100-03 on Caterpillar diesel engines. It provides troubleshooting steps for diagnosing a voltage high (code 24) condition in the engine oil pressure sensor circuit. The guide is intended for technicians servicing CAT heavy-duty powertrains.
Official CAT oil pressure voltage document details
| Brand | Caterpillar (CAT) |
| Model coverage | C11, C13, C15 (All Others) |
| System / Group | Diagnostic Trouble Codes (DTCs) — Oil Pressure Sensor Circuit |
| Publication no. | 0100-03 Oil Pressure voltage high 24 |
| Year / Revision | Unknown |
| Pages | 2 |
| File size | 0.1 MB |
| Format | PDF (compressed) |
| Language | English |
Document table of contents
- DTC 0100-03 — Oil Pressure voltage high, code 24 (Page 1)
- Diagnostic procedure and circuit evaluation (Page 2)
Applicable truck models
This diagnostic reference applies to Caterpillar C11, C13, and C15 engines classified under the “All Others” subgroup. These engines are widely installed in on-highway Class 8 trucks, vocational vehicles, and select off-highway equipment. Workshop technicians encountering DTC 0100-03 with a fault type 24 (voltage high) on any of these engine platforms will find the relevant troubleshooting path in this document. For official Caterpillar technical resources and parts information, visit Caterpillar Support.
Who needs this oil pressure voltage manual
Diesel mechanics, fleet maintenance teams, and independent workshop owners diagnosing an oil pressure sensor voltage high fault on CAT C11, C13, or C15 engines need this guide. It is especially useful when a scan tool reports DTC 0100-03 type 24 and the technician must isolate whether the fault lies in the sensor, wiring harness, or ECM input circuit.
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