P0014 Toyota Mirai Code: Camshaft Position Timing Over-Advanced or System Performance Bank 1

OBD-II trouble code P0014 in Toyota Mirai refers to Camshaft Position (B) – Timing Over-Advanced/System Performance (Bank 1), which is when the exhaust camshaft in the first cylinder is excessively advanced.

In this article, I will be talking about the P0014 trouble code in Toyota Mirai, its symptoms, causes, and how to fix it.

P0014 Toyota Mirai Trouble Code Definition

P0014 Toyota Mirai Code Camshaft Position Timing Over-Advanced or System Performance Bank 1

P0014 trouble code in Toyota Mirai is defined as Camshaft Position Sensor B Timing Over-Advanced or System Performance (Bank 1).

What Does The P0014 Code Mean In Toyota Mirai?

P0014 trouble code in Toyota Mirai is a generic code that signals excessive camshaft positions (CMP) on bank 1.

You can often see codes such as P0011, P0012, and/or P0013.

The trouble code P0014Opens in a new tab.

Bank 1 refers to a region of the engine that has the first piston. Position “B”, a position for an exhaust camshaft and depending on your vehicle, make/model, and other factors, could be found either at the back or right side, from a driver’s perspective.

The P0014 trouble codeOpens in a new tab.

Toyota Mirai P0014 Code Possible Causes

Toyota Mirai’s ECU generates the P0014 code when it detects that the exhaust crankshaft on bank 1, or over-advancing, is not following the schedule.

This will cause a check engine warning light to illuminate and an ECU to store a P0014 Code.

Toyota Mirai may issue the P0014 code for a variety of reasons:

  • Improper Camshaft Timing
  • Defective Camshaft Timing Control Solenoid
  • Failed variable camshaft tuning/variable valve timing (VVT)
  • Oil lines of the variable camshaft tun (VCT), or variable timing (VVT), solenoid get clogged by debris.
  • Engine Oil Low
  • Oil Pressure at a Low Level
  • Defective Camshaft Position Sensor
  • A neglected crankshaft position sensor
  • The wiring is not working properly
  • Defective timing system or timing belt
  • Defective Timing Tensioner

Toyota Mirai P0014 Code Common Symptoms

  • The Check Engine Light blinks, signaling an engine problem.
  • Starter Issue: This could be caused by camshaft issues. Turn the key and listen for clicking sounds. The car will eventually stop.
  • Stalling: A similar problem to starting is that your vehicle may have trouble idling or stalling at lower speeds.
  • P0014 Code Leads to Significant Decreasing Fuel Economy.
  • Noise and vibrations from the Engine: Incorrect fuel-air mix can cause rough riding. The vehicle might be shaking more than normal or emitting more fumes.
  • Because of engine emissions, vehicles can fail emission tests.

Is It Safe To Drive a Toyota Mirai With a P0014 Code?

It is unsafe to drive a Toyota Mirai with a P0014 trouble code without diagnosing the problem. A problem with the timing of the camshaft could cause engine failure. This can lead to expensive and lengthy repairs.

When their vehicle doesn’t respond or won’t start, many people are concerned. It all depends on the source of the problem.

Failure to maintain timing chains can lead to major engine damage. You should not neglect to take your car to the mechanic for repairs. This could lead to more damage and costly repair bills.

Toyota Mirai P0014 Code: How To Diagnose

Without the right knowledge and insight, diagnosing a Toyota Mirai’s P0014 Trouble Code can be daunting.

A majority of people who are computer proficient can quickly diagnose the trouble code P0014.

  1. Connect an OBD2 reader and look out for any trouble codes. If you find any that relate to either the crankshaft or camshaft position sensors, it is time to diagnose them to see if these can resolve your problem.
  2. Check the oil level in your engine to ensure it’s adequate. If your oil level is low, either add oil or replace the oil and filter. Clear out the P0014 error code and try again.
  3. You can check the oil filler cap and your service manual to see if there are any signs that the engine is clogging up. If you find any, it could indicate that your engine oil is old and has clogged up the oil lines to its variable valve timing/variable camshaft tuning/VCT engine control valve. In such cases, both oil types may need to be changed.
  4. Check the diagnostic scanner for any indications of a variable valve timing, or variable camshaft tuned (VCT), valve solenoid. Perform an output test in order to determine if the VCT Valve solenoid responds. If you are an expert in car electrical, you can try to experiment with 12v+ electricity and ground.
  5. Remove the variable camshaft-tuning (VCT), and control valve solenoid, and clean oil passages by using compressed air and a suitable cleaning product.
  6. Verify the accuracy of the crankshaft positioning sensors and camshaft position sensors to make sure they are functioning properly.
  7. Manually check the timing of engine camshafts. Refer to your owner’s manual for detailed instructions. If the timing chain/belt is broken, remove it and inspect it for damage.

Toyota Mirai P0014 Code: Common Diagnosing Mistakes

The common mistake in diagnosing the Toyota Mirai’s P0014 code is thinking that the timing chain or belt is defective.

Repairs can be costly and other issues might be causing the P0014 error code Therefore, it is crucial to perform a complete diagnosis before starting repairs.

Toyota P0114 is a sign of a malfunctioning VVTOpens in a new tab.

How Much Does It Cost To Repair P0014 Code In Toyota Mirai

It costs $145 to repair the P0014 code in Toyota Mirai. The part costs $70 while labor costs $75.

What Repairs Can Fix The P0014 Code in Toyota Mirai?

  • Make sure to add or take out excess engine oil, and change the oil filter.
  • Clean oil lines in variable camshaft tuning systems (VCT), or variable timing (VVT).
  • Clean or replace variable camshaft tun (VCT), or variable valve timings (VVT), solenoid.
  • Replace the timing belt/chain
  • Replace the solenoid at the camshaft Timing Control Valve
  • Adjust the Camshaft position sensor
  • Replace the crankshaft position sensors
  • Any damaged wiring should be fixed

How To Fix The P0014 Code In Toyota Mirai

  • Clearing error codes and performing road tests
  • It is possible to improve engine performance and prolong engine life by replacing the oil and filter with engine-specific viscosity oil.
  • Repair or replace the wiring of the bank 1 exhaust camshaft oil control valve.
  • Bank 1 must replace its exhaust camshaft oil valve.
  • For repairs or replacements of the timing chain or camshaft phasers, refer to the manual.

In Conclusion

Toyota Mirai’s code P0014 indicates a timing problem in the camshaft. This could be due to improper timing of camshafts, which must be corrected immediately to avoid costly repairs.

You can also cause it by insufficient motor oil or a defective camshaft position sensor. These are both easily repaired for less than $200.

If you are unsure whether or not you can resolve the problem by yourself, get assistance from a trained mechanic.

Bob Semana

Hi there, I am a Mechanical Engineer that specializes in AC, Alternators, Batteries, Cooling systems, and Drive Train issues.

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