← View Generic P0873 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0873: P0873: Transmission Control Module (TCM) Range/Performance Problem

on 2021 Honda PASSPORT

Fix Cost
$500 - $1500
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 P0873 Mean on 2021 Honda PASSPORT?

The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, hesitation, or slipping.
⚠️

Symptoms

  • • Transmission hesitation
  • • slipping
  • • or difficulty shifting gears
  • • unusual noises
  • • or the transmission warning light on the dashboard
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Common Causes

  • • Faulty transmission solenoid
  • • faulty transmission pressure sensor
  • • faulty transmission temperature sensor
  • • faulty transmission control module
  • • or a problem with the transmission's hydraulic system
🛠️

How to Fix P0873 on 2021 Honda PASSPORT

1. Check the transmission solenoid and replace it if faulty. 2. Check the transmission pressure sensor and replace it if faulty. 3. Check the transmission temperature sensor and replace it if faulty. 4. Check the transmission control module and replace it if faulty. 5. Check the transmission's hydraulic system and replace any faulty components.

🔧

Need Maintenance Info for Your PASSPORT?

Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.

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Parts for 2021 Honda PASSPORT

Transmission solenoid Shop ↗ Transmission pressure sensor Shop ↗ Transmission temperature sensor Shop ↗ Transmission control module Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with P0873

P0871 Sequential Code

P0871: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0872 Sequential Code

P0872: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0874 Sequential Code

P0874: Transmission Control Module (TCM) Range/Performance Issue

Medium
P0875 Sequential Code

P0875: Transmission Control Module (TCM) Range/Performance Problem

Medium

💡 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