← View Generic P1002 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P1002: P1002: Manufacturer Specific Powertrain System Code

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $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 P1002 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

Ford: Fuel Pressure Sensor Circuit Malfunction; Toyota: Fuel Pressure Sensor Circuit Low Voltage; Honda: Fuel Pressure Sensor Circuit High Voltage
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Symptoms

  • • Poor engine performance
  • • rough idle
  • • decreased fuel efficiency
  • • check engine light
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Common Causes

  • • Faulty fuel pressure sensor
  • • clogged fuel filter
  • • low fuel pressure
  • • faulty fuel pump
🛠️

How to Fix P1002 on 2020 Chevrolet SILVERADO 1500 PICKUP

Replace fuel pressure sensor, clean or replace fuel filter, check and repair fuel leaks, replace fuel pump if necessary

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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

Fuel Pressure Sensor Shop ↗ Fuel Filter Shop ↗ Fuel Pump Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

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Related Diagnostic Codes

Other codes that may appear with P1002

P1000 Sequential Code

P1000: Manufacturer Specific Powertrain System Code

Medium
P1001 Sequential Code

P1001: Manufacturer Specific Powertrain System Code

Medium
P1003 Sequential Code

P1003: Fuel Pressure Sensor Circuit Malfunction

Medium
P1004 Sequential Code

Manufacturer Specific Code P1004

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