← View Generic P1045 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P1045: P1045: Fuel Pressure Regulator Control Circuit Low Input

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 P1045 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The fuel pressure regulator control circuit low input is a manufacturer-specific code that indicates a problem with the fuel pressure regulator control circuit. This code is specific to Ford vehicles and is related to the fuel system.
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Symptoms

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

  • • Faulty fuel pressure regulator
  • • clogged fuel filter
  • • faulty fuel pump
  • • or a problem with the fuel pressure regulator control circuit
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How to Fix P1045 on 2020 Chevrolet SILVERADO 1500 PICKUP

Replace the fuel pressure regulator, clean or replace the fuel filter, check and replace the fuel pump if necessary, and inspect and repair the fuel pressure regulator control circuit

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Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Fuel pressure regulator Shop ↗ Fuel filter Shop ↗ Fuel pump Shop ↗

Essential Tool

Must Have

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Related Diagnostic Codes

Other codes that may appear with P1045

P1043 Sequential Code

P1043: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1044 Sequential Code

P1044: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1046 Sequential Code

P1046: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1047 Sequential Code

P1047: Fuel Pressure Regulator Control Circuit Low Input

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