← View Generic P0842 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0842: P0842: 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 P0842 Mean on 2021 Honda PASSPORT?

The TCM has detected a problem with the transmission's range and performance, possibly due to a faulty sensor or faulty transmission control module.
⚠️

Symptoms

  • • Transmission slips
  • • hesitation
  • • or hesitation during shifting
  • • unusual noises
  • • or difficulty shifting into gear.
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Common Causes

  • • Faulty transmission control module
  • • faulty transmission range sensor
  • • faulty transmission pressure sensor
  • • faulty transmission temperature sensor
  • • or faulty transmission solenoid.
🛠️

How to Fix P0842 on 2021 Honda PASSPORT

1. Clear the code and monitor the vehicle to see if the problem persists. 2. Check and replace the faulty sensor or module. 3. Check and replace the transmission fluid. 4. Check for any other related codes.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Transmission control module Shop ↗ Transmission range sensor Shop ↗ Transmission pressure sensor Shop ↗ Transmission temperature sensor Shop ↗ Transmission solenoid 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 P0842

P0840 Sequential Code

P0840: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0841 Sequential Code

P0841: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0843 Sequential Code

P0843: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0844 Sequential Code

P0844: 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