This guide is customized for your 2021 Honda PASSPORT
P0959: P0959: Transmission Range Sensor 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 P0959 Mean on 2021 Honda PASSPORT?
Symptoms
- • Transmission hesitates or jerks when shifting gears
- • difficulty shifting into gear
- • transmission warning light on
Common Causes
- • Faulty transmission range sensor
- • wiring issues
- • sensor connector corrosion
- • transmission control module malfunction
How to Fix P0959 on 2021 Honda PASSPORT
1. Check and clean the transmission range sensor connector and wiring. 2. Replace the transmission range sensor if faulty. 3. Update the transmission control module software if necessary. 4. Check and adjust the transmission fluid level.
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Related Diagnostic Codes
Other codes that may appear with P0959
P0957: Transmission Advanced System - Pressure Control Solenoid 'A' Performance
P0958: Transmission Advanced System - Pressure Control Solenoid 'A' Circuit Low
P0960: Transmission Pressure Control Solenoid 'A' Circuit Malfunction
P0961: Transmission Pressure Control Solenoid 'A' 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