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What does the code PCM P1336 - Cars & Trucks

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SOURCE: Vehicle doesn't stay running.Fuel pressure is

See attached response from another of our experts to another of same question.

http://www.fixya.com/cars/t3127365-z_flow_diagnostics_obdii_code_1336

keep in mind, PO 420 may be a plugged catalytic converter, but I'd check into other problem first.

Posted on Dec 22, 2009

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P1336 trouble code ho to solve problem


P1336 Ford P1336 Ford - Crankshaft Position Or Camshaft Position Sensor Input Signal Error Share
0 ' Add Comment Possible causes
- Faulty Crankshaft Position Sensor
- Faulty Camshaft Position Sensor
- Crankshaft Position Sensor harness is open or shorted
- Crankshaft Position Sensor circuit poor electrical connection
- Camshaft Position Sensor harness is open or shorted
- Camshaft Position Sensor circuit poor electrical connection
What does this mean? When is the code detected?
The Engine Control Module (ECM) has detected a synchronization or signal error from the cam or crank sensors
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/Loss of Power
- Engine Stall
- Engine difficult to start
P1336 Ford Description
The input signal to the powertrain control module (PCM) from the crankshaft position (CKP) sensor or the camshaft position (CMP) sensor is erratic.

Read more: http://www.engine-codes.com/p1336_ford.html#ixzz3qT9Hiztc

Nov 03, 2015 | 2005 Ford Freestyle

1 Answer

Engine hesitating & stuttering very badly, it's barely driveable. code p1336


P1336--CKP or CMP Input Signal to PCM Concerns

Check Crank & Cam Sensors for their installation & wire
connector

After that a repair shop will be needed

The code is your symptoms to a Tee

Nov 30, 2012 | Nissan Sentra Cars & Trucks

1 Answer

Chevy express 1999 didn't start, i have a code p1336. i've change the crank shaft sensor but it didn't strat and i have a P1336 code again



Trouble Code: P1336

CKP Sensor System Variation Not Learned
Possible Causes:


Set the parking brake and block the drive wheels for safety. Verify the hood is closed. Read the trouble codes. If a code is set, refer to that code. Start the engine. Allow engine temperature to reach at least 158?F (70?C). Then key off. Select Crankshaft Position Variation Learn procedure on Scan Tool & start the vehicle. Apply the brake pedal firmly and verify the selector is in Park. Increase accelerator pedal position until fuel cutoff is reached at the test rpm (e.g., 5150). Quickly release the accelerator pedal after fuel cutoff is reached. The CKP system variation compensating values are learned when the engine speed (rpm) decreases back to idle speed and the procedure terminates. Read the trouble codes and recheck for DTC P1336. If DTC P1336 runs and passes, the CKP system variation "learn" procedure is complete. If not, look for other codes. If no codes are set, repeat the test procedure.

Jul 24, 2012 | Chevrolet Express Cars & Trucks

2 Answers

Code 1336


If this is a P1336 read on.
P1336 - Crank / Cam Sensor Range / Performance
Possible causes
  • Damaged PCM.
  • Damaged CKP sensor. (crankshaft position sensor)
  • Damaged CMP sensor. (camshaft position sensor)
  • Base engine concerns.
  • Wiring Harness Concerns.
  • Jun 11, 2012 | 2004 Toyota 4Runner

    1 Answer

    Engin light is on when i check it by computer it gives me error P1336 [25,10,13,36] , please refer to relevant terchnical manual


    The crankshaft position (CKP) system variation learn feature is used to calculate reference period errors caused by slight tolerance variations in the crankshaft, and the CKP sensors. The calculated error allows the powertrain control module (PCM) to accurately compensate for reference period variations. This enhances the ability of the PCM to detect misfire events over a wider range of engine speed and load.

    The code P1336 is for a Crankshaft (CKP) and/or Camshaft (CMP) position sensor input signal to PCM concert. It is triggered if the input signal to the PCM for either of these sensors is erratic. Per the factory service manual, this can be due to:
    - a damaged PCM
    - damaged CKP sensor
    - damaged CMP sensor
    - base engine
    - harness concerns.

    The service manual suggests checking the following items:
    - harness routings,
    - alterations,
    - improper shielding,
    - or electrical interference from other improperly functioning systems.

    To properly check the operation of the CMP and CKP, you'll really need an oscilloscope. The code is probably being triggered due to a faulty sensor or connection and not something that just needs to be reset.

    Step / Action / Yes / No

    1. Did you perform the Diagnostic System Check-Engine Controls?
    Yes: Go to Step 2
    No: Go to Diagnostic System Check - Engine Controls

    2. Preform the CKP system variation learn procedure. Refer to CKP System Variation Learn Procedure. Did you complete the action?
    Yes: Go to Step 3
    No: Go to Diagnostic Aids

    3. Clear the DTCs with a scan tool.
    Turn OFF the ignition.
    Start the engine.
    Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
    Does the DTC run and pass?
    Yes: Go to Step 4
    No: Go to Step 2

    4. With a scan tool observe the stored information, Capture Info.
    Does the DTC run and pass?
    Yes: Go to Diagnostic Trouble Code (DTC) List
    No: System OK


    Diagnostic Aids:
    The CKP system variation values are not stored in the PCM memory after a learn procedure has been performed. If the actual CKP variation is not within the CKP system variation compensating values stored in the PCM, DTC P0300 may set.

    The CKP system variation learn procedure is also required when the following service procedures have been performed, regardless of whether DTC P1336 is set.
    An engine replacement
    A PCM replacement
    A harmonic balancer replacement
    A crankshaft replacement
    Any engine repairs which disturb the CKP sensor relationship

    If the CKP system variation learn procedure cannot be performed successfully, check for the following conditions and correct as necessary:
    A damaged reluctor wheel
    Excessive crankshaft runout
    A damaged crankshaft
    Interference in the signal circuit of the CKP sensor
    A coolant temperature that is not within the Conditions For Running the DTC
    The ignition switch is in the ON position until the battery is drained
    A PCM power disconnect with the ignition ON may erase the stored value and set the DTC P1336

    Hope helps.

    May 05, 2011 | 2005 Ford Freestar

    1 Answer

    I have a p1336 code. is it a bad sensor or a wire problem ?


    This is from updated GM service manual of mine.


    According to the GM factory service manual, the OBD-II trouble code, P1336, is defined as follows: DTC P1336 CKP System Variation Not Learned. The factory service manual does not enumerate all of the symptoms of this trouble code, but after consulting a professional custom PCM tuner, it was learned that aside from the annoying light on the instrument cluster, the other symptoms exhibited may include: poor vehicle performance, and loss of misfire detection diagnostics.


    This DTC is particularly nasty, because simply clearing it by disconnecting the battery, or clearing it using an OBD-II scan tool will not address the problem. The code will be set again later unless the vehicle is run through the actual "crank relearn" procedure.


    Fixing the Dreaded P1336 DTC


    There is only one way to properly fix the P1336 DTC, and that's to perform a "crank relearn" procedure, or as the GM factory service manual procedure calls it, the CKP System Variation Learn Procedure. This procedure can be initiated and performed by GM's be-all end-all scan tool, the Tech-2. It can also be performed by some aftermarket scan tools. Furthermore, some of the PCM tuning software applications are capable of initiating a "crank relearn" procedure.

    Jan 19, 2011 | Chevrolet S 10 Cars & Trucks

    1 Answer

    Vehicle doesn't stay running.Fuel pressure is good.38-42psi.Has spark.But has DTC code P1336,PO420.and codes repeat themselfs 1of4.PCM has been repaired once before. 01 CHEVY S-10


    See attached response from another of our experts to another of same question.

    http://www.fixya.com/cars/t3127365-z_flow_diagnostics_obdii_code_1336

    keep in mind, PO 420 may be a plugged catalytic converter, but I'd check into other problem first.

    Dec 22, 2009 | 2001 Chevrolet S-10

    1 Answer

    What'z the flow of diagnostics for obdII code 1336 for GM(4.3 vortec)


    According to the GM factory service manual, the OBD-II trouble code, P1336, is defined as follows: DTC P1336 CKP System Variation Not Learned. The factory service manual does not enumerate all of the symptoms of this trouble code, but after consulting a professional custom PCM tuner, it was learned that aside from the annoying light on the instrument cluster, the other symptoms exhibited may include: poor vehicle performance, and loss of misfire detection diagnostics.

    This DTC is particularly nasty, because simply clearing it by disconnecting the battery, or clearing it using an OBD-II scan tool will not address the problem. The code will be set again later unless the vehicle is run through the actual “crank relearn” procedure.

    There is only one way to properly fix the P1336 DTC, and that’s to perform a “crank relearn” procedure, or as the GM factory service manual procedure calls it, the CKP System Variation Learn Procedure. This procedure can be initiated and performed by GM’s be-all end-all scan tool, the Tech-2. It can also be performed by some aftermarket scan tools. Furthermore, some of the PCM tuning software applications are capable of initiating a “crank relearn” procedure.

    For most enthusiasts that encounter this issue, the best course of action is to bring the vehicle to a local GM dealership and have them perform the procedure. Unfortunately most dealerships will charge a modest fee for doing this (upwards of USD $100 in some cases).

    Oct 07, 2009 | 1999 GMC Jimmy

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