What does code P1789 mean on Mazda vehicles?
The ECU detects a short circuit in the 3-2 timing solenoid or coast clutch solenoid (CCS) circuit.
OBD-II Code Mazda
P1789 — Mazda — 3-2T/CCS Circuit Shorted
The ECU detects a short circuit in the 3-2 timing solenoid or coast clutch solenoid (CCS) circuit.
Common symptoms
- Shift issues
- harsh operation
Possible causes
- Shorted wiring in 3-2T/CCS circuit
Initial recommendation
Repair shorted wiring in 3-2T/CCS circuit.
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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