What does code P1529 mean on Hyundai vehicles?
The ECU detects a communication failure with the transmission control module via the data network.
OBD-II Code Hyundai
P1529 — Hyundai — TCM Communication Malfunction
The ECU detects a communication failure with the transmission control module via the data network.
Common symptoms
- Erratic or harsh gear shifts
- transmission warning lights
Possible causes
- CAN network fault
- wiring issues
- faulty TCM
Initial recommendation
Perform network diagnostics, inspect CAN lines and verify TCM communication.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Hyundai code P1529 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands