← View Generic P0837 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0837: P0837: Transmission Control Module (TCM) Range/Performance Problem

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$200 - $1000
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 P0837 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The TCM has detected a problem with its internal range and performance calculations, which can cause issues with transmission shifting and performance.
⚠️

Symptoms

  • • Transmission hesitates or jerks
  • • delayed or abrupt shifting
  • • difficulty shifting into gear
  • • transmission warning light on
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Common Causes

  • • Faulty TCM
  • • faulty transmission sensors
  • • wiring issues
  • • software glitches
🛠️

How to Fix P0837 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Clear the code and monitor the vehicle to see if the problem reoccurs. 2. Check and replace faulty sensors. 3. Update the TCM software. 4. Check and repair wiring issues. 5. Replace the TCM if necessary.

🔧

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Transmission Control Module Shop ↗ Transmission sensors Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

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Related Diagnostic Codes

Other codes that may appear with P0837

P0835 Sequential Code

P0835: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0836 Sequential Code

P0836: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0838 Sequential Code

P0838: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0839 Sequential Code

P0839: Transmission Control Module (TCM) Range/Performance Problem

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