P0344

Camshaft Position Sensor A Circuit Intermittent (Bank 1)

DTC P0344, sometimes indicated as P034400 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the ignition system causing camshaft position sensor a circuit intermittent (bank 1).

The camshaft position sensor is responsible for monitoring the position of the camshaft in the engine. This sensor sends signals to the engine control unit (ECU) which helps to control the timing of the engine.
If this sensor malfunctions, it can cause the engine to run poorly or not at all. The DTC P0344 code is triggered when the camshaft position sensor is not sending accurate signals to the ECU. This code is usually caused by a wiring issue or a defective sensor.
There are several things that can be done to troubleshoot and fix this code. First, the wiring to the camshaft position sensor should be checked for damage or corrosion. If the wiring is found to be damaged, it will need to be repaired or replaced.
If the wiring is OK, the next step is to test the camshaft position sensor for proper operation. If the sensor is found to be defective, it will need to be replaced.

  • P0344: Camshaft Position Sensor A Circuit Intermittent (Bank 1)
  • P0344: Camshaft Position Sensor "A" Circuit Intermittent Bank 1 or Single Sensor
  • P0344: Camshaft Position Sensor A - Bank 1 CKT Intermittent
  • P0344: Camshaft position (CMP) sensor A, bank 1 – circuit intermittent
  • P0344 00: Incorrect signal from the camshaft sensor - intermittent failure
  • P0344 00: Camshaft position (CMP) sensor A, bank 1 - circuit intermittent

See Also: Related Error Codes
DTC Trouble Code Search
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • SSM 50116 - EQUIPMENT
    FORD: Some 2020-2021 escape vehicles may exhibit a loss of voltage reference (vref) or runs rough, blow fuse 44 and may or may not set dtc's P06A7,P0840,P0842,P0845,P0847,P2122,P2127,P0522,P008A,P06A6,P2196,P0192, P0212,P0340,P0344,P0365,P0532,p0
  • SSM 48598 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
    LINCOLN: 2013-2018 c-max, 2013-2020 fusion hybrid/mkz hybrid vehicles may exhibit a mil with diagnostic trouble code (dtc) P0340 and/or P0344. This may occur due to excessive moisture build up in the engine oil. Excess moisture occurs when the vehic
  • 18-053-15 REV A - ELECTRICAL SYSTEM:WIRING
    JEEP: Malfunction indicator lamp (mil) illumination P0344 - camshaft position sensor intermittent this bulletin involves inspection and repair of the engine wire harness and replacing the harness retainer tower clip. A small number of customers
  • 68080819A - ENGINE (PWS)
    CHRYSLER: Camshaft position sensor before replacing the camshaft position sensor for P0340 or P0344 fault codes, please call andrew acton on his cell (248) 421-4130. If no response is received within 15 minutes, please continue with repair.
  • 68080819A - ENGINE (PWS)
    CHRYSLER: Camshaft position sensor if replacing a camshaft position sensor for P0340 and/or P0344 fault codes, please review information below and contact andrew action on his cell phone: (248) 421- 4130. If no response is received within 15 minut
  • 05149141A - ENGINE (PWS)
    CHRYSLER: Camshaft position sensor if replacing a camshaft position sensor for P0340, P0344, P0345, P0349, P0365, P0369, P0390 or P0394 fault codes, please review information below and contact tom nies on his cell phone: (248) 494-0187. If no resp
  • SB-09-042 - ENGINE AND ENGINE COOLING:ENGINE
    HONDA: Honda vehicle: damaged camshaft position sensor (cmp) causes the mil to come on with dtc P0344. Excessive camshaft end play causes the camshaft gear to damage the camshaft position (cmp) sensor. Replace the front camshaft, thrust cover,
  • SB-01-038-09 - POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
    MAZDA: Mazda: some vehicles may exhibit a malfunction indicator lamp (mil) on with diagnostic trouble codes (dtc) P0011, P0012, P0021 or P0022. This issue may also cause P0340, P0341, P0344, P0345, P0346, or P0349 codes to be present.
  • SB-18-014-09 - ELECTRICAL SYSTEM:SOFTWARE
    DODGE: Chrysler/jeep: flash: esp system may prematurely activate momentarily when negotiating a curve or mil illumination due to diagnostic trouble code P0340, P0344 or P0116. This involves selectively erasing and reprogramming the powertrain con
  • TSB-08-26-14 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
    MERCURY: Ford/mercury: some vehicles may exhibit a malfunction indicator light (mil) on with diagnostic trouble codes (dtcs) P0340 and/or P0344 (camshaft position sensor circuit). May be due to incorrect reading from the camshaft sensor. *pe
  • 08-030 - ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
    CHRYSLER: 2008 (lx/le) srt8 - suspect cam sensor that may set a mil for P0340 and/or P0344. *nj
  • 0800108 - ENGINE AND ENGINE COOLING:ENGINE
    JEEP: Long engine crank time and/or mil illumination due to dtc P0340 / P0344. Involves the replacement of the engine camshaft sensor. *nj updated 3/27/08. *nj
  • 061912 - ENGINE AND ENGINE COOLING:ENGINE
    MERCURY: Diagnostic trouble codes (dtc) P0340, P0344, P0345, P0349. Are found. *kb
  • 052317 - ELECTRICAL SYSTEM
    MERCURY: Diagnostic trouble codes P0340/P0344/P0345/P0349 - 4.6l 3v and 5.4l 3v. *tt
  • 05132 - ENGINE AND ENGINE COOLING:ENGINE
    LINCOLN: Diagnostic trouble code (dtc) P0340 and or P0344-5.4 3v engine. *sc
  • 16343 - ENGINE AND ENGINE COOLING:ENGINE
    FORD: Hard start, hesitation with malfunction indicator lamp (mil) light on diagnostic trouble code (dtc) P0340/P0344 - contact request. *tt
  • 14473 - ELECTRICAL SYSTEM:IGNITION:MODULE
    FORD: Some vehicles may exhibit diagnostic trouble code P0344 (cam sensor). Engineering is investigating. *tt
  • 14473 - UNKNOWN OR OTHER
    FORD: Experiencing diagnostic trouble code P0344 (cam sensor). Engineering is investigating. *tt
  • 14473 - UNKNOWN OR OTHER
    FORD: Some vehicles may exhibit diagnostic trouble code(s) P0344 or P0340 (cam sensor). Engineering is investigating. *tt
  • BC0322961101 - ENGINE AND ENGINE COOLING:ENGINE
    FORD: Hard starting with dtc's P0341, P0344. *tw
Consumer Complaints for this DTC



2017 FORD FOCUS with 5900.0 miles

Driving car , check engine light came on at 5800 mile, scan tool stated code P0340 and P0344, replace cam sensor. Clear codes, drove car 3 days 5980 mile ,check engine flash couple time and stay on started smell oil and sound like it was misfiring, scan it again and it said code P0340 and P0344, called dealer bob bell Ford glen burnie md. Told me next opening for appointment would be week 1/2 , i said ok. Took car there, they called and said there a hole in piston # 4 , need new engine and not cover under warranty because of modification, i ask what modification and they said call Ford motor, we don't have any paper work. Called Ford motor customer service , they said call bob bell. Complete run around.
ENGINE,



2016 JEEP WRANGLER with 57668.0 miles

My vehicle has been in the dealership approx. Four times, because the service engine light comes on, followed by the traction control light. They said that the cable connection gets loose and they soldered it. This started about 20000 miles and is now at 57778 miles. This last time on 4-24-2019 they said that it has stored codes for the cam sensors on both banks and torque request denied signal and torque management signal performance. P2638, C121C, P0344, P0369. They said that it has pcm update and that they performed the pcm update again and cleared codes to see if they would come back. Vehicle driven 30 miles and and one large bump in the road and the lights turned on again. This happens while going down dirt roads. They also told me the first time that it was taken in that the cable is to short and causes stress and stretches, causing it to come loose. This time they said if the lights came back on that they would have to have the vehicle back to do more extensive tests and possible replace the sensors at my expense. This seems to be a reoccurring problem that always comes back. They also stated that this is a problem on all Wranglers. This seems to be a manufactures defect and needs to recalled and fixed.
POWER TRAIN, VEHICLE SPEED CONTROL



2016 FORD FOCUS with 29890.0 miles

Just filled my gas tank up then as i left the gas station got about 1 mile up the road then while sitting at a stoplight i turned the ac on and idle dipped, car felt like it was going to die(which it did) then as i tried to re-start, cel came on and car would not start. About 2 more times and it fired up along with a service engine soon message ... Luckily for me i was a block away from future Ford lincoln where i originally purchased the vehicle. 3 days later i got a call saying my vehicle was ready for pick up. I get there and they tell me that the reason was due to i had a aftermarket power wire routed over engine assembly causing electrical interference. So they disconnected what i payed a local professional audio shop $140 to install 2 days after i got the car. So, long story short, i get in the vehicle only to see that my fill up @ the gas station was gone... They used [xxx] near 3/4 of my tank of gas put over 100 miles on my car and i get 2 blocks away from the dealer and at the same light..... **** happens again!!!! Took it right back to the dealer. Just got my car back after 13 days in the shop and i couldn't be more pissed! 4th time i have gone to pick it up after hearing that they fixed the problem only to get in the car, drive it, and have it happen yet another time! They even tried to tell me it was my right front axle causing the problem this time around. ( i just had the left front axle replaced 2 months back at another dealer) throwing grease on a crank sensor causing my cel with dtc "P0106, P0236, P0340, P0344,P0365, P051B, P0532, P06A7, P08A9, P08B9" ...Bla bla bla... They don't know what the problem is but they keep wanting to tell me they found the problem! What a waist of both our time. Now the car is in my driveway, wont start, throwing about 8 to 12 codes and im waiting to hear from Ford customer care. Parts of this document have been redacted to protect personally identifiable information pursuant to the freedom of information act (foia), 5 u.S.C. 552(b)(6).
ENGINE, UNKNOWN OR OTHER ELECTRICAL SYSTEM



2013 JEEP WRANGLER with 35684.0 miles

As i begin to pull into heavy traffic, i hear and see the check engine light warning along with the skid control light illuminating. The car then stalls leaving me sitting in 70 mph traffic. The vehicle starts back up but has a noticeable loss of power. This loss of power continued until i got home. When i finally get home i use a code reader which indicated it was a camshaft position sensor. Code P0344. This could have been a much worse incident as there were no mechanical issues leading up to this.
FUEL/PROPULSION SYSTEM, ENGINE ELECTRONIC STABILITY CONTROL



2008 CHRYSLER 300 with 115000. miles

Had two occasions in the past 12 months where as i'm driving along, the engine shut off and was barely able to keep car from colliding with other vehicles on road. Most recently, i experienced a 3rd incident where while driving at approx 30 mph, all warning indicators illuminated on the instrument panel. The vehicle lost power and was unable to accelerate. Pulled over and shut off car. And tried to restart. Engine started but was in 'limp' mode and had codes in computer. Had car towed to mechanic and they stated codes P0344 , P0340 & B1A35 present. Advised that motor now has a knock in it and would need an entire replacement.
FUEL/PROPULSION SYSTEM, ELECTRICAL SYSTEM ENGINE



2007 DODGE GRAND CARAVAN with 130000. miles

1st occurrence: while driving on freeway on a hot day the car stalled without warning. On attempted restarts car would fire for a couple of seconds and quit. Tried other key: no help. After about 7 or 8 attempts the car would not crank and solenoid clicked. Towed home. Car set codes P0339 and P0344(intermittent crank and cam sensor). Charged battery . Replaced both sensors car initially would not start, then mysteriously fired up and ran fine. Ok for about a month. Battery tested ok charging voltage good when running. Not related to having just (over)filled gas tank. (much on internet about this: bad valve in tank allows evap to flood) 2nd occurrence. Once again driving on highway hot day. Once again stalled without warning. Same symptoms on attempted restart. After waiting about 15 minutes, car restarted, ran about 4 miles and stalled again. Attempted four or five restarts, then battery appeared to run down. Headlights would dim on start attempt. After a while the car started again but ran roughly on acceleration. Once again set same codes. At this point i noticed some electrical anomalies. Upon key on, the temp, fuel, and tach gauges would peg high and then fall back to normal. The power windows began to operate without the key on. Tow truck arrived and got it home. Car restarted in garage. Replaced both sensors again and battery (suspected intermittent open). 3rd occurrence on test drive got about 5 miles and onto highway. Once again stalled. This time restarted, turned around and got about 2 miles then quit again. This time no restart( same 2-3 seconds). This time set code P0344 only(cam sensor intermittent). Car restarted later back in shop. Research on the internet has got me thinking about the tipm (totally integrated power module)
POWER TRAIN, ELECTRICAL SYSTEM ENGINE



2005 JEEP WRANGLER with 113000. miles

Engine codes P0340 and P0344 chrysler campaign e05 replace opda and camshaft - my manufacture date is june 2005, there is 113k on the engine, when the weather is cold (40 f or below) the engine has long start issues, there is play in the opda enough to put the engine in limp mode not revving past 2500rpm. For sure this needs a new camshaft and new opda, both gears are worn. The chrysler campaign only cover up to a feb 2005 manufacture. This should be considered for additional manufacture dates with multiple complaints on nhtsa about this issue.
ENGINE,



2005 JEEP WRANGLER with 30000.0 miles

On march 13, 2010, my 2005 Jeep Wrangler displayed a check engine light. The code was P0302. When cleared, the code did not return and the Jeep ran normally until approximately march 26, when it went into a "limp mode" (rev limiter moved to 2500 rpm) after being revved to 4500 rpm. When restarted, the vehicle ran fine, although the check engine light came on. The code was P0344. When the code was cleared, it did not reappear. However, revving the engine to 4500 rpm in all gears except reverse (n-1-2-3-4-5-6) reproduced the above results without fail. On march 28, a replacement camshaft position sensor was ordered by myself, and was installed on april 2. After the install, revving the engine to 4500 rpm once again put the vehicle into a "limp mode". I made the decision to take the Jeep to south point chrysler dodge Jeep in austin, tx. On may 6, i was informed that standard diagnostics could not find the issue, and the dealer requested 4 hours of tear-down time to inspect the camshaft area for damage based on recommendations from chrysler. Upon approval, it was discovered that the oil pump gear and camshaft were heavily damaged possibly due to causes outlined in nhtsa item # 10013784. When chrysler was contacted for this, they informed me that, along with the fact that the vin of my Jeep is outside of the vin range of the tsb, there was no "definitive proof" that the oil pump gear had damaged the camshaft as opposed to vice versa and they would be unable to assist in the repair cost. I am requesting an expanded tsb on this issue, as there appears to be more problems here than chrysler is willing to admit.
ENGINE AND ENGINE COOLING:ENGINE,



2004 CHRYSLER 300M

Diagnostics show code P0344 cam shaft position sensor. It was repaired under recall j18 in aug 09. Called bob moore dealership (completed recall work) & Chrysler recall line. They both say won't repair under original recall. This is the same exact part/problem. Is there any way to get them to honor this? My cruise control shuts itself off, lights dim, and fails to start on occasion.
ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING VEHICLE SPEED CONTROL



2004 DODGE INTREPID with 16000.0 miles

1. No events leading up to failure. 2. Repeat of prior event. Driving car, car shuts off while driving and stalls. Engine light comes on and stays on. 3. Dealer said if engine light is constant, it is ok to drive it to be serviced. Dealer found one code-code P0344 cam sensor circuit. Has problem with sensor itself. Replaced sensor.
ENGINE AND ENGINE COOLING,



2004 DODGE INTREPID with 15000.0 miles

Almost immediately after i got my car i had occasional issue with it dying while i was driving. It got to be more often so i took it to the dealership as it was still under warranty. After 3 trips i was always told, nothing was wrong. Then my warranty ran out and my car died almost daily. Then my car would die while i was driving, usually would start right back up but not always and then the check engine light would be on. Then i had issues starting my car. I decided to take the less expensive route and go to a local mechanic. He drove the car and saw/felt no issues as the check engine light was now off. He told me he had to have the car hooked up to the diagnostic machine at the time it dies so he could see what the issue was as 2 different codes were coming up. These codes were P0340 (intermittent cmp signal) and P0344 (no cmp signal). I was told one of the connectors was installed improperly on my camshaft sensor. After another try, the car dies again. Mechanic stated the car started right back up and issue was gone. I drove off only to have my car die again. At this point i called the Dodge dealership to see what the codes meant. Without even looking at my car, i was told, have the camshaft sensor replaced. I was quoted $285.00. I had just paid almost $200.00 to the last guy and didn't have any more money to spend. A friend heard me having issues starting my car one day, i told him what i was told was wrong and the quote of $285.00 from Dodge. We went to a local autopart store and purchased a camshaft sensor for $48.00. Literally it took 5 minutes to loosen a nut, pop the faulty camshaft sensor off, put the new one on and tighten the nut. That simple! No more issues with my car dying while driving or starting. I think its disgusting there are complaints logged at least 7 years back on this engine and they are still manufacturing automobiles with this engine and ignoring the complaints. This should not be acceptable.
ENGINE AND ENGINE COOLING,

Previous Code: P0343 | Next Code: P0345