← View Generic P0871 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

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

on 2021 Honda PASSPORT

Fix Cost
$200 - $1000
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 P0871 Mean on 2021 Honda PASSPORT?

The Transmission Control Module (TCM) has detected a problem with the transmission's range and performance, which can cause issues with gear shifting and transmission operation.
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Symptoms

  • • Transmission slips
  • • hesitates
  • • or refuses to engage gears
  • • unusual noises
  • • or vibrations while driving
  • • transmission warning light on the dashboard
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Common Causes

  • • Faulty transmission solenoid
  • • clogged transmission filter
  • • low transmission fluid level
  • • faulty transmission pressure sensor
  • • or a problem with the transmission control module itself
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How to Fix P0871 on 2021 Honda PASSPORT

Check transmission fluid level and condition, replace transmission filter, test transmission solenoids, replace faulty solenoids, check transmission pressure sensor and replace if necessary, update transmission control module software if necessary

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Need Maintenance Info for Your PASSPORT?

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

View 2021 Honda PASSPORT Specs

Parts for 2021 Honda PASSPORT

Transmission solenoid Shop ↗ Transmission filter Shop ↗ Transmission fluid Shop ↗ Transmission pressure sensor 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 P0871

P0869 Sequential Code

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

Medium
P0870 Sequential Code

P0870: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0872 Sequential Code

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

Medium
P0873 Sequential Code

P0873: 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