← View Generic P0896 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0896: P0896: Transmission Control Module (TCM) Internal Temperature Sensor Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost
$100 - $500
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 P0896 Mean on 2021 Honda PASSPORT?

The TCM has detected an issue with the internal temperature sensor circuit, which monitors the transmission fluid temperature. This code indicates a malfunction in the sensor circuit, which can cause transmission performance issues.
⚠️

Symptoms

  • • Transmission slipping
  • • hesitation
  • • or refusal to engage gears
  • • unusual noises
  • • or a check engine light
🔍

Common Causes

  • • Faulty internal temperature sensor
  • • wiring issues
  • • or TCM software problems
🛠️

How to Fix P0896 on 2021 Honda PASSPORT

1. Check the internal temperature sensor for damage or corrosion. Replace if necessary. 2. Inspect the wiring harness for damage or chafing. Repair or replace as needed. 3. Update the TCM software if necessary. 4. Clear any other pending codes.

🔧

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

Internal temperature sensor Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

Shop Scanners ↗
🔗

Related Diagnostic Codes

Other codes that may appear with P0896

P0894 Sequential Code

P0894: Transmission Control Module (TCM) Internal Fault

High
P0895 Sequential Code

P0895: Transmission Control Module (TCM) Internal Fault

Medium
P0897 Sequential Code

P0897: Transmission Control Module (TCM) Range/Performance Issue

Medium
P0898 Sequential Code

P0898: Transmission Control Module (TCM) Internal Temperature Sensor Circuit Malfunction

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