Engine control module supply voltage interrupted to transmission control module
What it means
P1760. Engine control module supply voltage interrupted to transmission control module. This Chevy-enhanced code applies to Impala, Monte Carlo, Regal with 4T65E 1997 to 2003. S10, Blazer with 4L60E..
Findings, check these first
- Blown TCM power fuse
- Corroded TCM power connector
- Faulty ignition switch feed
- Chafed power wire
- Weak battery or poor ground
Standard procedure
- Check TCM fuses
- Test TCM power and ground
- Inspect connectors for corrosion
- Test ignition feed voltage
- Repair power circuit then retest
Look up another code
Press / to jump to the box. Chevy-enhanced powertrain, body, chassis and network codes.
Sources and review
Review: checked against the recorded source material.
- OBDII Code P1760 BUICK - ECM Supply Voltage Interrupted | Engine-Codes.com
archived reference page (engine-codes.com via Wayback Machine)
Supports: code identity and GM (Buick) application
No Chevrolet P1760 page is archived. The Buick GM page titles it ECM supply voltage interrupted, the meaning the catalog describes.
- OBDII Code P1760 CADILLAC - ECM Supply Voltage Interrupted | Engine-Codes.com
archived reference page (engine-codes.com via Wayback Machine)
Supports: code identity and GM (Cadillac) application
Fetched directly. The Cadillac GM page repeats the ECM supply voltage interrupted meaning.
Last updated 2026-09-25.
Report a correction for P1760. Include your vehicle, the issue and a source if you have one.