P2616 OBD-II Trouble Code: Camshaft Pos Signal Output Circuit High

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Cost of diagnosing the P2616 code

P2616 is a diagnostic trouble code (DTC) for "Camshaft Pos Signal Output Circuit High". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $70.00. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $30.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
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Check Engine Light

P2616 code definition

If a vehicle’s PCM (Powertrain Control Module) stores a P216 code, it’s because the Camshaft Position (CMP) has released a high output signal.

What the P2616 code means

The engine of a modern vehicle wouldn’t work very well without a CMP. Camshafts are used to work the intake and exhaust valves. It, in turn, is driven by a crankshaft through a timing chain, timing belt or gears.

To figure out which cylinder is in its power stroke, the vehicle’s PCM keeps track of the rotating position of the camshaft and compares it to the position of the crankshaft thanks to the CMP. It then takes this information and adjust the spark timing as well as the operation of the fuel injectors. In this way, the CMP isn’t just essential to engine efficiency, control of emissions and fuel economy, but the vehicle even working in the first place.

If the CMP reports a waveform or voltage reading that is incorrect, the PCM will mark this with a P216 trouble code.

What causes the P2616 code?

The CMP measures camshaft operation with the help of electromagnetism. Yet, the most common reason for CMPs reporting incorrect readings is simply that oil – or some other engine fluid – has leaked and is now interrupting the sensor’s work.

Other common causes would be:

  • Faulty, broken or shorted wiring
  • Shorted electrical connectors
  • Fluid contamination
  • The CMS has become faulty

For the most part, though, an investigation should begin with looking for any leaks that may be getting in the way of the CMS reading its electromagnetic signal.

What are the symptoms of the P2616 code?

There are actually about five symptoms that could occur in conjunction with the P2616 code. Any combination of these could be present:

  • The engine lacks power
  • The vehicle doesn’t accelerate or does so, but choppily
  • The engine won’t start
  • The engine starts, but there is a noticeable delay
  • The engine’s performance is rough, even when idling

You should most likely see the check engine light come on too, but this isn’t always the case.

How does a mechanic diagnose the P2616 code?

As we mentioned above, a mechanic will definitely check for a leak, but that’s not the first step. Here’s the routine they’ll go through:

  • Use an OBD-II scanner to find out which codes the PCM has stored

  • Proceed to inspect the CMP for signs of a leak that is getting in the way of its ability to take readings

  • Check the wiring, connectors and other electrical components between the CMP and PCM

Usually, this will do the trick. The problem is almost always pretty obvious for an experienced mechanic.

Common mistakes when diagnosing the P2616 code

By the time a customer brings their vehicle in, the problem may have resolved itself if it was caused by some kind of fluid leak. However, that doesn’t mean it won’t come back, so the mechanic needs to be sure to look for such a leak and seal it up if necessary.

How serious is the P2616 code?

Although it’s not the kind of problem that would result in a crash, it can certainly be expensive to keep going on paying more than necessary at the pump. It will also be a very frustrating issue if the vehicle refuses to start.

What repairs can fix the P2616 code?

Some combination of the following will fix the P2616 code:

Additional comments for consideration regarding the P2616 code

Another mistake to avoid when it comes to the P2616 code is replacing the sensor with a much cheaper version simply because it saves money. That sensor is incredibly important to the operation of your vehicle. It doesn’t cost too much more to purchase an OEM component of high-quality.

Need help with a P2616 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

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P2616

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Dan

36 years of experience
611 reviews
Dan
36 years of experience
Very helpful and timely
2013 CHEVROLET MALIBU - CHECK ENGINE LIGHT IS ON - ALPHARETTA, GEORGIA

Chet

38 years of experience
393 reviews
Chet
38 years of experience
Explained what happened with my car and showed him a piece of metal that came off somewhere from my car. He never hooked up the diagnostic kit to get the warning codes off. My invoice shows PO300 code but my car battery was dead so I don't know if that is why the test was not performed but then how do you get the PO300 code? Then I had told him about the oil leak but the car was never jacked up or inspected underneath. He never saw the hole in the engine block, I am assuming because I have a piece of metal that is what it is from. Since nothing was actually performed on my car (except visual inspection) and he said it was not worth repairing the engine, I don't see why I was still charged $100 dollars. He was nice enough to help push the car over in the garage so I can get my other car into the garage and gave me pointers on how to buy a used car and what to look for.
2006 HYUNDAI SONATA - CHECK ENGINE LIGHT IS ON - SAN DIEGO, CALIFORNIA

James

27 years of experience
331 reviews
James
27 years of experience
Kind, courteous and extremely knowledgeable. Very fair priced . On time! Thanks James!
2005 DODGE RAM 1500 - CHECK ENGINE LIGHT IS ON - WINDERMERE, FLORIDA

Jeff

10 years of experience
30 reviews
Jeff
10 years of experience
Jeff was very friendly, very experienced, and shared information with me that prevented me from needing additional parts replaced. As it turns out, the service that I required can only be done by the dealer - since it is a software upgrade. So my repair is not over yet.
2006 HONDA CIVIC - CHECK ENGINE LIGHT IS ON - OWINGS MILLS, MARYLAND

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