P1381Critical Priority
Variable Cam Timing Overadvanced (Bank #1)/ Misfire Detected - No Communication with BCM
Category: Powertrain• Ignition System (Manufacturer Specific)
8 articles · 3 makes affected
Most Effective Fixes
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.
Owner Statistics
Based on 73,455 real owner discussions • 2691 confirmed solutions
$1,538
Average Repair Cost
4%
Success Rate
23%
DIY Repairs
73,455
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.
Frequently Appears With
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.
Issues by Vehicle
CHEVROLET
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2010 Spark
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2010 Spark
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