Engine-CodesChevrolet – P1320 Chevrolet

P1320 Chevrolet Code - IC Module 4X Reference Circuit Intermittent No Pulses

Quick Answer

The P1320 code for Chevrolet vehicles indicates a potential issue with the IC (Ignition Control) module's 4X reference circuit, specifically that there are intermittent or no pulses detected. Common causes include Faulty IC module, Wiring harness issues, Poor connections. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1320 Chevrolet indicates IC Module 4X Reference Circuit Intermittent No Pulses.
Common causes
Common causes include Faulty IC module, Wiring harness issues, Poor connections.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 10, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1320 Chevrolet Description

The P1320 code for Chevrolet vehicles indicates a potential issue with the IC (Ignition Control) module's 4X reference circuit, specifically that there are intermittent or no pulses detected. The IC module is a crucial component of the vehicle's ignition system, responsible for controlling the timing of the spark plugs and ensuring proper combustion in the engine cylinders. When this circuit is not functioning correctly, it can lead to a variety of performance issues that may affect the vehicle's drivability and overall efficiency.

OBDII Code P1320 Chevrolet - IC Module 4X Reference Circuit Intermittent No Pulses
P1320 Chevrolet Code - IC Module 4X Reference Circuit Intermittent No Pulses

Common Causes of P1320 Chevrolet

  1. Faulty IC module
  2. Wiring harness issues
  3. Poor connections
  4. Sensor malfunctions
  5. ECM communication problems

Symptoms of P1320 Chevrolet

  1. Check Engine Light illuminated
  2. Engine misfires
  3. Rough idling
  4. Hesitation during acceleration
  5. Stalling

How to Fix P1320 Chevrolet

  1. Use a diagnostic scanner to retrieve the trouble code and identify the source of the issue.
  2. Inspect the wiring harness and connections for any damage or corrosion, repairing or replacing as necessary.
  3. Test the IC module and related sensors for proper functionality, replacing any faulty components.
  4. Clear the trouble code from the ECM memory and reset the system to see if the issue has been resolved.
  5. Perform a test drive to verify that the symptoms have been eliminated and the vehicle is operating normally.

Cost to Fix P1320 Chevrolet

The cost of repairing a P1320 code on a Chevrolet vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair could range from $100 to $300, with labor costs adding an additional $100 to $200. This brings the total estimated cost to between $200 and $500. However, it's essential to keep in mind that labor rates at auto repair shops can vary significantly, so it's advisable to obtain quotes from multiple sources to ensure a fair price.

Need more information about the P1320 Chevrolet code?

Need more information on how to fix the P1320 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1320 Chevrolet code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1320 Chevrolet Code

No Frequently Asked Questions about P1320 Chevrolet Code found.

Discuss the causes and fixes for P1320 Chevrolet OBDII Code

Code P1320 Chevrolet comments

No comments found for this page.