This guide is customized for your 2021 Honda PASSPORT
P0977: P0977: Transmission Advanced System - Torque Converter Clutch Solenoid Circuit Malfunction
on 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 P0977 Mean on 2021 Honda PASSPORT?
Symptoms
- • Transmission slips
- • hesitation
- • or hesitation during acceleration
- • unusual noises
- • or difficulty shifting gears.
Common Causes
- • Faulty torque converter clutch solenoid
- • wiring issues
- • or a problem with the transmission control module.
How to Fix P0977 on 2021 Honda PASSPORT
1. Check the wiring and connectors for damage or corrosion. 2. Test the torque converter clutch solenoid for proper function. 3. Update the transmission control module software if necessary. 4. Replace the torque converter clutch solenoid if faulty.
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Essential Tool
Related Diagnostic Codes
Other codes that may appear with P0977
P0975: Transmission Advanced System - Torque Converter Clutch Solenoid Circuit Malfunction
P0976: Transmission Advanced System - Transmission Control Module (TCM) Input/Output Circuit Malfunction
P0978: Transmission Advanced System - Torque Converter Clutch Solenoid Circuit Malfunction
P0979: Transmission Advanced System - Torque Converter Clutch Solenoid Circuit Malfunction
💡 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