← View Generic P0868 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0868: P0868: Transmission Control Module (TCM) Range/Performance Problem

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 P0868 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 light on the dashboard
🔍

Common Causes

  • • Faulty transmission solenoid
  • • faulty transmission sensor
  • • faulty TCM
  • • wiring issues
  • • or software problems
🛠️

How to Fix P0868 on 2021 Honda PASSPORT

1. Check and clear any trouble codes. 2. Inspect and clean the transmission solenoid and sensor connectors. 3. Check and replace any faulty wiring. 4. Update the TCM software if necessary. 5. Replace the faulty transmission solenoid or sensor if necessary.

🔧

Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Transmission solenoid Shop ↗ Transmission sensor Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

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Related Diagnostic Codes

Other codes that may appear with P0868

P0866 Sequential Code

P0866: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0867 Sequential Code

P0867: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0869 Sequential Code

P0869: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0870 Sequential Code

P0870: 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