P0928
PowertrainTransmission Solenoidmoderate severityGear Shift Lock Solenoid Control Circuit Range/Performance
What P0928 Means
The gear shift lock solenoid circuit is reading outside its normal operating range. This can prevent the shifter from locking or unlocking as designed.
Symptoms
- Shifter won't move out of park
- Intermittent shift lock operation
- Transmission warning light on
Common Causes
- Faulty shift lock solenoid
- Wiring harness fault
- Poor ground connection
- Failed TCM output driver
Diagnostic Steps
- Scan for related codes
- Check solenoid connector and wiring
- Measure solenoid resistance
- Test solenoid command with scan tool
🔌 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 P0928?
Help other technicians by sharing what worked on your vehicle.
Submit Your Fix