What does code P1860 mean on Isuzu vehicles?
The ECU detects a failure in the torque converter clutch PWM solenoid circuit.
OBD-II Code Isuzu
P1860 — Isuzu — TCC PWM Solenoid Circuit Failure
The ECU detects a failure in the torque converter clutch PWM solenoid circuit.
Common symptoms
- Vibration during cruising
Possible causes
- Faulty TCC PWM solenoid
- wiring issues
Initial recommendation
Inspect TCC solenoid circuit and perform transmission diagnostics.
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 Isuzu code P1860 with your vehicle's actual symptoms for more complete diagnostic guidance.
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