P1381Critical Priority
Variable Cam Timing Overadvanced (Bank #1)/ Misfire Detected - No Communication with BCM
Category: Powertrain• Ignition System (Manufacturer Specific)
5 articles · 2 makes affected
Owner Data Insights
Most Effective Fixes for P1381
Based on 4 owner reports. Success rates show how often each fix resolved the issue.
0% success
4 reports
Start with the highest success rate fix when diagnosing P1381. If that doesn't resolve the issue, work down the list.
Frequently Appears With P1381
These codes often appear together in owner reports. Check these if you see P1381.
Based on analysis of 8 owner reports where multiple codes appeared together.
Owner Statistics for P1381
Based on 10 real owner discussions • 1 confirmed solutions
10%
Success Rate
10
Data Sources
About This Data
Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.
P1381 Issues by Vehicle
CHEVROLET
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2010 Spark
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