The OBD code P0336 for GMC indicates a problem with the Crankshaft Position Sensor Circuit.
Symptoms include the Engine Light ON, engine cranking but not starting, loss of power, and potential stalling while driving.
Causes can be a faulty sensor, wiring issues, or ECM problems.
This issue is serious as it affects engine performance.
A possible fix involves inspecting and repairing the sensor, wiring, and connectors.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 6.67 (Out of 10) |
Symptoms of the Gmc p0336 OBD Code
The vehicle may experience intermittent or no signal from the crankshaft position sensor.
- With OBD code P0336 on a GMC vehicle, symptoms may include: Engine Light ON.
- Engine Cranks but Does Not Start.
- Engine Lack / Loss of Power.
- Engine may stall while driving.
Causes of the Gmc p0336 OBD Code
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Fault code P0336 on a GMC typically indicates an issue with the crankshaft position sensor circuit.
- P0336 can be caused by a Faulty Crankshaft Position Sensor.
- A Crankshaft Position Sensor harness that is open or shorted.
- A Crankshaft Position Sensor circuit with a poor electrical connection.
- A Faulty Engine Control Module (ECM).
- A Signal plate that may be damaged.
- A dead or weak battery.
Fixing Gmc Error Code p0336 Step By Step
Replace the crankshaft position sensor on the GMC vehicle to address fault code P0336.
- To fix GMC OBDII code P0336, first, review the possible causes related to the crankshaft position sensor circuit.
- Visually inspect the wiring harness and connectors for any damage.
- Check the connector pins for signs of being broken, bent, pushed out, or corroded.
- Test the crankshaft position sensor for proper operation and signal output.
- Replace the crankshaft position sensor if necessary.
- Clear the fault codes and perform a road test to verify the repair.
Cost Of Fixing Gmc p0336 Fault Code
The repair for GMC fault code P0336 involves diagnosing and replacing the crankshaft position sensor.
The cost to diagnose and fix a GMC OBD code P0336 typically ranges from $75 to $150 per hour for labor rates.
With an estimated repair time of 1. 0 hour, the total cost could be around $75 to $150, depending on shop rates and the complexity of the repair.
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Details of the Gmc p0336 OBD Code
GMC fault code P0336 relates to a crankshaft position sensor circuit range/performance issue.
GMC OBD code P0336 means a crankshaft position sensor A circuit range/performance issue.
This code is triggered by the Engine Control Module (ECM) when it detects that the signal from the crankshaft position sensor is out of the expected range or not performing within specified parameters.
The crankshaft position sensor is responsible for monitoring the position and speed of the crankshaft in the engine.
When the sensor malfunctions or sends erratic signals, the ECM sets code P0336.
Mechanic’s Tech Notes
Detailed information on GMC fault code P0336 related to crankshaft position sensor performance issues.
OBDII code P0336 for GMC indicates a crankshaft position sensor ‘A’ circuit range/performance issue.
To diagnose, use a voltmeter to test the sensor’s wiring for proper voltage and continuity.
Check the sensor’s resistance with an ohmmeter.
Inspect the sensor for physical damage or contamination.
Scan tools can monitor sensor data for irregularities.
If no issues are found, the problem may lie with the sensor itself, requiring replacement.
Remember to clear the code after repairs and perform a road test to ensure the problem is resolved.
FAQ
Common causes of OBD code P0336 in a GMC vehicle include a faulty crankshaft position sensor, open/shorted sensor harness, poor electrical connection, or damaged signal plate.
Diagnose P0336 in GMC: Check Crankshaft Position Sensor, wiring, connectors for faults. Inspect ECM, signal plate, battery. Repair as needed.
It is not safe to continue driving with OBD code P0336 in your GMC. Check and repair the crankshaft position sensor, wiring, and connections to prevent engine issues.
Wrap Up
If your GMC is showing OBD code P0336 and experiencing engine misfires, stalling, or rough idling, it may be caused by a faulty crankshaft position sensor or issues with the sensor circuit wiring.
To address GMC OBD code P0336, first, inspect the crankshaft position sensor and its wiring harness for any visible damage or corrosion.
Test the sensor’s resistance and check for proper voltage supply.
Replace the sensor if necessary and ensure all connections are secure and free of debris.
