× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P1374 Diagnostic Trouble Code Discussion for January 2009

CKP Sensor High To Low Resolution Frequency Correlation

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1374
Help Request Posted
2001 Chevrolet Impala 3.4L MIL Lamp on VIN: 2G1WF55EX1
P1374: CKP Sensor High To Low Resolution Frequency Correlation. ... heater code, 3x reference code, egr code, and transmission adaptive limit. We replaced the O2 sensor, replaced the connector for the egr valve and those problems are fixed but the P1374 continues to come right back. I removed the ignition coils to check fo...
January 15, 2009