Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC P0339
DTC P0339 : CKP Sensor Circuit Intermittent Interruption
NOTE: Before you troubleshoot, review the general troubleshooting information .
| DTC Description | Confirmed DTC | Pending DTC | Freeze Frame |
|---|---|---|---|
| P0339 CKP Sensor Circuit Intermittent Interruption |
DTC (PGM-FI)
- Problem verification (idling)
-1. Turn the vehicle to the ON mode.
-2. Clear the DTC with the HDS.
-3. Start the engine, and let it idle for 10 seconds.
-4. Monitor the OBD STATUS for DTC P0339 in the DTCs MENU with the HDS.
DTC Description OBD STATUS P0339 CKP Sensor Circuit Intermittent Interruption Does the HDS indicate FAILED?
YES
The failure is duplicated. Go to step 3.
NO
If the HDS indicates PASSED, go to step 2. If the HDS indicates NOT COMPLETED, keep idling until a result comes on.
- Problem verification (test-drive):
-1. Test-drive the vehicle for several minutes in the range of these recorded freeze data parameters:
- ENGINE SPEED
- VEHICLE SPEED
Freeze Data
-2. Monitor the OBD STATUS for DTC P0339 in the DTCs MENU with the HDS.
DTC Description OBD STATUS P0339 CKP Sensor Circuit Intermittent Interruption Does the HDS indicate FAILED?
YES
The failure is duplicated. Go to step 3.
NO
If the HDS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the CKP sensor and the PCM. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot . If the HDS indicates NOT COMPLETED, retest and check the OBD STATUS again.
- CKP sensor circuit connectors and terminals condition check:
-1. Check for poor connections or loose terminals at these locations:
- CKP sensor
- PCM
- Engine ground
- Body ground
Are the connections and terminals OK?
YES
Go to step 4.
NO
Repair the connections or terminals.
- CKP pulse plate visual check
-1. Remove the CKP sensor , and check for damage to the CKP pulse plate.
Is the pulse plate damaged?
YES
NO
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.