P1512 Engine Trouble Code
What is P1512?
The P1512 check-engine light can indicate issues ranging from minor (loose gas cap) to serious (catalytic converter failure). Professional diagnostic scanning at a dealer or shop will identify the exact cause and required repairs.
Code Information
| Code Type: | OBD-II Powertrain (P) Trouble Code |
| System: | Powertrain |
| Code: | P1512 |
P1512 Symptoms
Check Engine Light
Illuminated dashboard warning
Engine Stalling
Engine stops unexpectedly or misfires
Performance Issues
Reduced power or acceleration
Starting Problems
Difficulty starting the engine
P1512 Code Structure
Understanding what each digit means in the P1512 powertrain trouble code:
| P | 1 | 5 | 1 | 2 |
|---|---|---|---|---|
| Powertrain Code | Fuel And Air Metering | Fuel Composition Sensor Circuit Malfunction | Engine Shutoff Solenoid Malfunction | Glow Plug/Heater Circuit 'A' Malfunction |
How to Fix P1512
Diagnostic Steps:
Check if fuel pump primes when key is turned to ON. Measure fuel pressure and verify bright white-blue spark at all plugs. Also verify mechanical timing alignment.
Repair Solution:
Crankshaft position sensor signals the computer for precise ignition and fuel injection timing. Faulty sensors cause rough running and reduced efficiency. Modern vehicles enter limp mode and illuminate the check-engine light.
Technical Notes:
Parts or components should not be replaced based solely on P1512 DTC. Consult your vehicle service manual for proper diagnostic procedures, possible causes, and required testing before replacement.
P1512 Description
P1512 OBD-II Trouble Code: Intake Manifold Runner Control Bank 1 Stuck Closed is one of the definitions for the P1512; however your vehicles manufacturer may have a different definition for the P1512 code. Please check below fo
Main Cause
The primary reason for P1512 OBD-II Engine Trouble Code is: Fuel Composition Sensor Circuit Malfunction.