← View Generic P0974 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0974: P0974: Transmission Advanced System - Torque Converter Clutch Solenoid Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost
$200 - $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 P0974 Mean on 2021 Honda PASSPORT?

The P0974 trouble code indicates a malfunction in the torque converter clutch solenoid circuit, which can cause issues with the transmission's ability to engage and disengage the torque converter.
⚠️

Symptoms

  • • Transmission slips
  • • hesitation
  • • or hesitation when accelerating
  • • unusual noises
  • • or difficulty shifting gears
🔍

Common Causes

  • • Faulty torque converter clutch solenoid
  • • wiring issues
  • • or electrical problems
🛠️

How to Fix P0974 on 2021 Honda PASSPORT

1. Check the wiring and electrical connections to the torque converter clutch solenoid. 2. Test the solenoid for proper function. 3. Replace the solenoid if faulty. 4. Check for any signs of transmission fluid leaks.

🔧

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

Torque Converter Clutch Solenoid 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 P0974

P0972 Sequential Code

P0972: Transmission Advanced System - Torque Converter Clutch Solenoid Circuit Malfunction

Medium
P0973 Sequential Code

P0973: Transmission Advanced System - Torque Converter Clutch Solenoid Circuit Malfunction

Medium
P0975 Sequential Code

P0975: Transmission Advanced System - Torque Converter Clutch Solenoid Circuit Malfunction

Medium
P0976 Sequential Code

P0976: Transmission Advanced System - Transmission Control Module (TCM) Input/Output 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