HONDA RANCHER 420 ES (TRX420FE) Electric Shift Es Blinking
| CONF | DIAGNOSIS | ACTION |
|---|---|---|
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91%
CONF
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Shift Motor Assembly
The shift motor is the primary actuator for the ES system. Over time, internal carbon brushes can stick in their holders due to dust accumulation, or the factory grease in the gear reduction housing can become overly viscous. This creates mechanical resistance that the ECU detects as a circuit fault, triggering the blinking diagnostic code.
SKU: 31300-HP5-601
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|
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5%
CONF
|
Gear Position Angle Sensor
This sensor provides critical rotary position feedback to the PCM. If the internal resistive element develops a dead spot or 'skips' during a shift, the PCM cannot verify the gear change was successful and will immediately cease motor operation and blink the 'ES' or 'N' indicator to prevent transmission damage.
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|
|
4%
CONF
|
Shift Motor Brush Set
This is the most granular failure point within the shift motor. The springs and brushes responsible for transferring current to the commutator can become jammed with debris or oxidized, leading to an open circuit or intermittent power delivery that results in a failed shift cycle.
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DIY Repair Guide
Watch exactly how to replace the Shift Motor Assembly.
// NOTICE:
This report is generated by an Agentic AI Engineer utilizing probabilistic modeling.
PartSniper is an automated parts recommender service. AI-generated results may not be correct. This data is not a substitute for professional engineering advice or manual inspection. Always verify part compatibility and disconnect power before any repair. PartSniper is not liable for inaccuracies, injury, or damage.