OBD code P0386 indicates a problem with the crankshaft position sensor circuit.
Symptoms include the Engine Light ON, lack of power, and engine stalling.
Causes can be a faulty sensor, wiring issues, damaged signal plate, or starter motor problems.
This issue should be addressed promptly to prevent further damage.
A possible fix is to inspect and repair any damaged components or wiring connections related to the crankshaft position sensor circuit.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 6.67 (Out of 10) |
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Symptoms of the p0386 OBD Code
The vehicle may experience difficulty starting or rough idling with fault code P0386.
- With OBD code P0386, the Engine Light will be ON.
- Lack of power may be experienced while driving.
- The engine may stall unexpectedly.
Causes of the p0386 OBD Code
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P0386 code is typically triggered by a fault in the crankshaft position sensor circuit.
- P0386 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 poor electrical connection.
- A damaged signal plate.
- A faulty starter motor.
- A faulty starting system circuit.
- A dead or weak battery.
Fixing Error Code p0386 Step By Step
To address fault code P0386, inspect the crankshaft position sensor and its wiring for faults.
- To fix OBDII code P0386, 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 test drive to verify the repair.
Cost Of Fixing p0386 Fault Code
The repair for fault code P0386 typically involves diagnosing and replacing the crankshaft position sensor.
The cost to diagnose and fix OBD code P0386 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, so the total cost could be between $75 and $150. Factors like shop rates and complexity of the repair can influence the final cost.
Details of the p0386 OBD Code
Fault code P0386 relates to a crankshaft position sensor B circuit range/performance issue.
OBD code P0386 means that a problem has been detected with the crankshaft position sensor B circuit range/performance.
This code is triggered by the Engine Control Module (ECM) when it detects that the signal from the crankshaft position sensor B is out of the expected range or not performing within specified parameters.
The crankshaft position sensor B is responsible for monitoring the position and rotational speed of the crankshaft in the engine.
When the sensor malfunctions or sends erratic signals, the ECM sets code P0386 to indicate an issue with the sensor’s circuit.
Mechanic’s Tech Notes
Code P0386 relates to a crankshaft position sensor B circuit range/performance issue.
To diagnose and fix OBDII code P0386, start by checking the transmission control module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) using a scan tool.
If communication issues are detected, reprogramming or reflashing the TCM may be necessary.
Additionally, visually inspect the wiring harness and connectors for any damage, and ensure connector pins are not broken, bent, pushed out, or corroded.
Addressing these potential issues can help resolve the P0386 fault code.
FAQ
Common symptoms of OBD code P0386 include Engine Light ON, Lack of Power, Engine Stall. Causes may be faulty crankshaft position sensor, wiring issues. Fix: Inspect and repair wiring/connectors.
Typical cause of OBD code P0386: Faulty crankshaft position sensor, open/shorted sensor harness, poor electrical connection, damaged signal plate, faulty starter motor. Inspect wiring/connectors for damage.
Diagnose P0386 by checking crankshaft position sensor, harness, and connections. Inspect signal plate, starter motor, starting system, and battery. Repair as needed.
Wrap Up
If your check engine light is on and your vehicle is experiencing starting issues, it could be due to OBDII code P0386. This code typically indicates a problem with the crankshaft position sensor B circuit range/performance.
Possible causes include a faulty crankshaft position sensor, damaged wiring or connectors, or issues with the sensor’s circuit.
To address OBDII code P0386, start by inspecting the wiring and connectors related to the crankshaft position sensor B.
Look for any signs of damage, corrosion, or loose connections.
Test the sensor itself for proper operation and replace if necessary
