← View Generic P0903 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0903: P0903: 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 P0903 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.
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Symptoms

  • • Transmission hesitation
  • • jerking
  • • or slipping
  • • difficulty shifting gears
  • • check engine light illuminated
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Common Causes

  • • Faulty transmission range sensor
  • • wiring issues
  • • sensor connector corrosion
  • • transmission control module malfunction
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How to Fix P0903 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 adjust the transmission fluid level and condition.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with P0903

P0901 Sequential Code

P0901: Transmission Advanced System - Pressure Control Solenoid 'A' Circuit Low

Medium
P0902 Sequential Code

P0902: Transmission Advanced System - Pressure Control Solenoid 'A' Circuit Low

Medium
P0904 Sequential Code

P0904: Transmission Advanced System - Pressure Control Solenoid 'A' Circuit Low

Medium
P0905 Sequential Code

P0905: Transmission Advanced System - 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