C1805High Priority

Mismatched PCM and/or ABS-TC Module

Category: Chassis

Reference page • No vehicle-specific data yet

DIY Diagnostic Guide

Step-by-step checklist with tools and expected values

View Guide →

Owner Data Insights

Frequently Appears With C1805

These codes often appear together in owner reports. Check these if you see C1805.

C1266
2 reports
C1963
2 reports
C1300
2 reports
B1596
2 reports

Based on analysis of 8 owner reports where multiple codes appeared together.

C1805 Issues by Vehicle

📊

Reference Information Only

This is a general OBD-II code reference. We're actively collecting real owner experiences and repair data for this code. Check back soon for vehicle-specific troubleshooting guides.