P0882
PowertrainTransmissionhigh severityTCM Power Input Signal Low
What P0882 Means
The TCM is reading a power input voltage that is too low. This often indicates a supply or ground fault to the module.
Symptoms
- Transmission stuck in a single gear
- Warning light illuminated
- No or delayed shifts
Common Causes
- High resistance in power feed wiring
- Corroded ground or power connector
- Blown fuse or bad relay
- Faulty transmission control module
Diagnostic Steps
- Measure voltage at TCM power input
- Check fuses and relays feeding TCM
- Inspect grounds and power connectors
- Repair wiring showing voltage drop
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITEShop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Community Confirmed Fixes
No confirmed fixes yet for this code. Be the first to contribute!
Submit a FixFound a Fix for P0882?
Help other technicians by sharing what worked on your vehicle.
Submit Your Fix