What does code P1630 mean on Toyota vehicles?
The ECU detects a malfunction in the traction control system, reducing or disabling traction assistance.
OBD-II Code Toyota
P1630 — Toyota — Traction Control System Malfunction
The ECU detects a malfunction in the traction control system, reducing or disabling traction assistance.
Common symptoms
- TCS warning light on
- reduced traction control function
Possible causes
- Faulty wheel speed sensor
- TCS module issue
- wiring faults
Initial recommendation
Scan traction control system for fault codes and inspect related sensors and wiring.
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 Toyota code P1630 with your vehicle's actual symptoms for more complete diagnostic guidance.
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