What does code P1771 mean on Mazda vehicles?
The throttle position sensor signal to the TCM is open, affecting shift strategy.
OBD-II Code Mazda
P1771 — Mazda — Throttle Position Sensor Circuit Open to Transmission Control Module
The throttle position sensor signal to the TCM is open, affecting shift strategy.
Common symptoms
- Shift issues
- poor transmission response
Possible causes
- Open wiring between TPS and TCM
Initial recommendation
Check TPS signal wiring to TCM for open circuits.
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.
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