← View Generic C2136 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C2136: C2136: Brake Booster Vacuum Switch Circuit Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
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 C2136 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The brake booster vacuum switch circuit has malfunctioned, preventing the brake booster from functioning properly, which can cause the brake pedal to feel spongy or soft.
⚠️

Symptoms

  • • Spongy brake pedal
  • • soft brake pedal
  • • brake pedal travel increased
  • • brake pedal travel decreased
🔍

Common Causes

  • • Faulty brake booster vacuum switch
  • • vacuum leak in brake booster
  • • faulty brake booster diaphragm
  • • clogged brake booster vent
🛠️

How to Fix C2136 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect battery negative cable. 2. Locate the brake booster vacuum switch and inspect for signs of damage or corrosion. 3. Clean or replace the vacuum switch as needed. 4. Inspect the brake booster vent for blockages and clean or replace as needed. 5. Reconnect battery negative cable.

🔧

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

Brake booster vacuum switch Shop ↗ Vacuum hose Shop ↗ Brake booster vent 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 C2136

C2134 Sequential Code

C2134: Wheel Speed Sensor Malfunction

Medium
C2135 Sequential Code

C2135: ABS System Malfunction

Medium
C2137 Sequential Code

C2137: Rear Suspension Strut Friction Bushing Fault

Medium
C2138 Sequential Code

C2138: Electric Power Steering (EPS) Fault

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