p0012
Moderate
Mazda · Sedans
Camshaft Position Timing Over-Retarded Bank 1
Quick Answer
Error code P0012 on your Mazda Sedans means: Camshaft Position Timing Over-Retarded Bank 1. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Check oil level and condition
2
Inspect camshaft position sensor connector
3
Test VVT solenoid operation
4
Verify timing chain condition
5
Replace failing components as needed and clear codes
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Camshaft position sensor
VVT solenoid
Engine oil
Oil filter
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