← View Generic P0939 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0939: P0939: Transmission Range Sensor Circuit Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$200 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2020 Chevrolet
SILVERADO 1500 PICKUP
⚠️

Important for 2020 Chevrolet SILVERADO 1500 PICKUP Owners

Before starting repairs, verify which engine your 2020 Chevrolet SILVERADO 1500 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does P0939 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The transmission range sensor circuit has malfunctioned, preventing the transmission from shifting properly. This can cause the vehicle to hesitate or jerk when shifting gears.
⚠️

Symptoms

  • • Transmission hesitation
  • • jerking
  • • or slipping
  • • difficulty shifting into gear
  • • check engine light illuminated
🔍

Common Causes

  • • Faulty transmission range sensor
  • • wiring issues
  • • sensor connector corrosion
  • • transmission control module malfunction
🛠️

How to Fix P0939 on 2020 Chevrolet SILVERADO 1500 PICKUP

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 clear any other trouble codes.

🔧

Need Maintenance Info for Your SILVERADO 1500 PICKUP?

Get oil capacity, filter specs, and torque settings for your specific 2020 Chevrolet SILVERADO 1500 PICKUP.

View 2020 Chevrolet SILVERADO 1500 PICKUP Specs

Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Transmission range sensor Shop ↗ Sensor connector Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

Shop Scanners ↗
🔗

Related Diagnostic Codes

Other codes that may appear with P0939

P0937 Sequential Code

P0937: Transmission Range Sensor Circuit Malfunction

Medium
P0938 Sequential Code

P0938: Transmission Range Sensor Circuit Malfunction

Medium
P0940 Sequential Code

P0940: Transmission Advanced System - Pressure Control Solenoid 'A' Performance

Medium
P0941 Sequential Code

P0941: Transmission Range Sensor 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