🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0794: P0794: Transmission Control System Malfunction

on 2021 Honda PASSPORT

Fix Cost
$200 - $800
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2021 Honda
PASSPORT
⚠️

Important for 2021 Honda PASSPORT Owners

Before starting repairs, verify which engine your 2021 Honda PASSPORT has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does P0794 Mean on 2021 Honda PASSPORT?

The transmission control system has malfunctioned, affecting gear shifting and operation. This code indicates a problem with the transmission's electronic control module, solenoids, or sensors.
⚠️

Symptoms

  • Difficulty shifting gears
  • slipping
  • hesitation
  • or hesitation between gears
  • unusual noises
  • or the transmission warning light on the dashboard.
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Common Causes

  • Faulty transmission solenoids
  • faulty transmission sensors
  • wiring issues
  • transmission control module failure
  • or software glitches.
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How to Fix P0794 on 2021 Honda PASSPORT

1. Check for any trouble codes and clear them. 2. Inspect and clean the transmission solenoids and sensors. 3. Check the wiring and connectors for damage or corrosion. 4. Update the transmission control module software if necessary. 5. Replace faulty solenoids or sensors.

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Related Diagnostic Codes

Other codes that may appear with P0794

💡 Why These Codes Are Related:

  • Similar Issues: Same root cause or component failure
  • Related Problems: Often occur together due to system interactions
  • Sequential Codes: Progressive failure stages or multiple sensors
  • Same System: Components within the same automotive system