C1502 — Transfer Case Contact Plate "D" Encoder Circuit Failure

What Does C1502 Mean?

C1502 is a manufacturer-specific diagnostic trouble code: Transfer Case Contact Plate "D" Encoder Circuit Failure. This code applies to OTHER vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.

Symptoms of C1502

⚠️ Warning light on
⚠️ ABS or stability control issues

Frequently Asked Questions

What does C1502 mean?

Transfer Case Contact Plate "D" Encoder Circuit Failure. This is a manufacturer-specific code for OTHER vehicles.

Which vehicles get code C1502?

This code appears primarily in OTHER vehicles. Check your owner's manual or a dealer for model-specific information.

Can I fix this myself?

Manufacturer-specific codes often require a brand-specific diagnostic scanner for full data. A dealer or specialist with the right tools will diagnose it most accurately.

What To Do Next

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

C1500 Transfer Case Contact Plate "B" Encoder Circuit Failure C1501 Transfer Case Contact Plate "C" Encoder Circuit Failure C1503 Dynamic Stability Control Left Front Valve Malfunction C1504 Dynamic Stability Control Right Front Valve Malfunction C1505 Dynamic Stability Control Left Rear Valve Malfunction C1506 Dynamic Stability Control Right Rear Valve Malfunction C1507 Traction Control of Brake Exceeds Time-Out C1508 Traction Control of Engine Exceeds Time-Out C1510 Right Front Wheel Pressure Reduction Performance Problem C1511 Left Front Wheel Pressure Reduction Performance Problem