← View Generic P0835 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0835: P0835: 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 P0835 Mean on 2021 Honda PASSPORT?

The TCM has detected a problem with its internal range and performance calculations, which can cause issues with transmission shifting and performance.
⚠️

Symptoms

  • • Transmission hesitation
  • • slipping
  • • or refusal to engage gears
  • • unusual noises
  • • or erratic shifting
🔍

Common Causes

  • • Faulty TCM
  • • faulty transmission sensors
  • • wiring issues
  • • or software glitches
🛠️

How to Fix P0835 on 2021 Honda PASSPORT

1. Clear any trouble codes and test drive the vehicle to verify the issue. 2. Check and replace any faulty sensors. 3. Inspect and repair any wiring issues. 4. Update the TCM software if necessary. 5. Replace the TCM if all else fails.

🔧

Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Transmission Control Module Shop ↗ Transmission sensors Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with P0835

P0833 Sequential Code

P0833: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0834 Sequential Code

P0834: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0836 Sequential Code

P0836: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0837 Sequential Code

P0837: 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