Source-backed diagnostic reference
P1790 EV diagnostic code
TCM A/T TP Sensor Circuit Fault
Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.
Reference definitions
- ACURA: TCM A/T TP Sensor Circuit Fault Source
- BUICK: Transmission Control Module Checksum Source
- CADILLAC: Transmission Control Module Checksum Source
- CHEVY: Transmission Control Module Checksum Source
- GM: Transmission Control Module Checksum Source
- GMC: Transmission Control Module Checksum Source
- HONDA: TCM A/T TP Sensor Circuit Fault Source
- INFINITI: TCM A/T TP Sensor Circuit Fault Source
- JAGUAR: Ignition Supply Malfunction Source
- MAZDA: TP Mechanical Circuit Source
- NISSAN: TP Mechanical Circuit Source
- OLDSMOBILE: Transmission Control Module Checksum Source
- OTHER: TP (Mechanical) Circuit Malfunction Source
- SATURN: Transmission Control Module Checksum Source
- VOLKSWAGEN: Transmission Range Display Circuit Open Source
Search and canonical URL
Capitalization, underscores, hyphens, colons and spaces are normalized to this canonical code identity so alternate scan-tool formats do not create duplicate pages.