AutoCodes - OBDII Code List - P0012 2006 SCION XB

P0012 2006 SCION XB - Camshaft Position 'A' Timing Over-Retarded Bank 1

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

P0012 2006 SCION XB Possible Causes

  • Low or Dirty Engine Oil
  • Faulty variable valve timing (VVT)
  • Faulty oil control valve (OCV)
  • Variable Valve Timing (VVT) harness is open or shorted
  • Oil Control Valve (OCV) harness circuit is open or shorted
  • Damaged ECM

How do I fix code P0012 2006 SCION XB?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Tech Notes

There is a Factory Service Bulletin for 2006 Scion xB:
2006 Scion xB Factory Service Bulletin OBDII Code P0012

Cost of diagnosing the P0012 2006 SCION XB code

Labor: 1.0

The cost of diagnosing the P0012 2006 SCION XB code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected?

After the ECM sends the target dutyandcycle signal to the OCV, the ECM monitors the OCV current to establish an actual duty cycle. The ECM determines the existence of a malfunction and sets the DTC when the actual dutyandcycle ratio varies from the target dutyandcycle ratio.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Possible Lack/Loss of power
  • Possible Engine rough idle

P0012 2006 SCION XB Description

The Engine Control Module (ECM) controls the Oil Control Valve (OCV) to regulate the intake camshaft angle. As a result of the angle change, the engine timing is advance or retard. Optimizing engine timing will help the engine improve torque and fuel economy, and the exhaust emissions decrease under overall driving conditions. The Variable Valve Timing (VVT) system includes the Oil Control Valve (OCV) and VVT controller. The ECM detects the actual intake valve timing using signals from the camshaft and crankshaft position sensors, and performs feedback control.
OBDII Code P0012 2006 Scion Xb - Camshaft Position 'A' Timing Over-Retarded Bank 1 - AutoCodes.com

More Information

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Comments

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