Transfer Case Encoder Ring Circuit
2014-2016 Tesla Model S P85D Dual Motor AWD
Description
Malfunction in the transfer case encoder motor position feedback sensor.
Symptoms
- 4WD indicator incorrect
- Cannot verify shift completion
- Service 4WD message
- Shift hunts back and forth
Common Causes
- Encoder ring sensor failure
- Encoder contaminated with metal particles
- Wiring damage
- Shift motor assembly failure
Diagnostic Steps
- Read encoder position with scan tool
- Command shift and watch encoder response
- Inspect encoder wiring
- Check transfer case fluid for metal contamination
- Test encoder sensor output
Repair Notes
Replace encoder motor assembly. Flush transfer case if fluid is contaminated.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0515 on Other Vehicles
Tesla Cybertruck
2024-2024 Cyberbeast Tri Motor AWD
Tesla Cybertruck
2024-2024 Dual Motor AWD
Tesla Cybertruck
2024-2024 Single Motor RWD
Tesla Model 3
2017-2020 Long Range Dual Motor AWD
Tesla Model 3
2017-2020 Performance Dual Motor AWD
Tesla Model 3
2017-2020 Standard Range Plus Single Motor RWD
Tesla Model 3
2021-2024 Long Range Dual Motor AWD
Tesla Model 3
2021-2024 Performance Dual Motor AWD
Common Questions
What does code C0515 mean on a 2014-2016 Tesla Model S?
C0515 stands for "Transfer Case Encoder Ring Circuit". Malfunction in the transfer case encoder motor position feedback sensor.
What are the symptoms of C0515 on a Tesla Model S?
Common symptoms of C0515 include: 4WD indicator incorrect, Cannot verify shift completion, Service 4WD message, Shift hunts back and forth.
What causes C0515 on a 2014-2016 Tesla Model S?
Common causes of C0515 include: Encoder ring sensor failure, Encoder contaminated with metal particles, Wiring damage, Shift motor assembly failure.