The OBD code P1470 for BMW indicates an issue with the Leak Detection Pump (LDP) system.
Symptoms include the Engine Light being ON.
Common causes are a faulty LDP, open or shorted LDP harness, or poor electrical connection in the LDP circuit.
This issue is not extremely serious but should be addressed promptly.
A possible fix is to inspect the wiring harness and connectors for any damage or corrosion.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the Bmw p1470 OBD Code
The vehicle may experience rough idling or stalling when fault code BMW P1470 is present.
- Symptoms: Engine Light ON.
- Possible rough idle.
- Engine hesitation during acceleration.
- Possible decrease in fuel efficiency.
Causes of the Bmw p1470 OBD Code
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Possible reasons for BMW fault code P1470 include issues with the secondary air injection system.
- P1470 can be caused by a faulty Leak Detection Pump (LDP).
- A shorted or open Leak Detection Pump harness.
- A poor electrical connection in the Leak Detection Pump circuit.
Fixing Bmw Error Code p1470 Step By Step
Address the issue by inspecting the EVAP system components for leaks or malfunctions.
- To fix BMW OBDII code P1470, first, review the ‘Possible Causes’ mentioned above and visually examine the corresponding wiring harness and connectors.
- Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Check the operation of the secondary air pump and its associated components.
- Inspect the vacuum lines for any leaks or blockages.
- Test the secondary air pump relay for proper function.
- Replace the secondary air pump if it is faulty.
- Clear the fault codes and perform a test drive to verify the repair.
- If the code persists, further diagnostics may be necessary to pinpoint the exact cause.
Cost Of Fixing Bmw p1470 Fault Code
Diagnosing and repairing BMW fault code P1470 may involve testing and replacing the leak detection pump.
The cost to diagnose and fix the BMW OBD code P1470 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour.
The total cost will vary based on shop rates, complexity of the issue, and any additional parts or services needed.
Details of the Bmw p1470 OBD Code
Code P1470 in BMW indicates a problem with the ambient air temperature sensor circuit.
BMW OBD code P1470 means Leakage Diagnostic Pump Reed Switch Did Not Close.
This code is triggered when the reed switch in the leakage diagnostic pump does not close properly.
The leakage diagnostic pump is part of the evaporative emissions control system, which is responsible for monitoring and controlling fuel vapor emissions from the vehicle.
When the reed switch fails to close, it indicates a potential issue with the evaporative emissions system, which can lead to increased emissions and decreased fuel efficiency.
Mechanic’s Tech Notes
Detailed information on BMW fault code P1470, including possible causes and diagnostic steps.
To diagnose BMW OBDII code P1470, 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 the TCM does not respond, reprogramming or reflash may be necessary.
Visually inspect the wiring harness and connectors for any damage, and check connector pins for signs of being broken, bent, pushed out, or corroded.
This can help identify any issues with the TCM circuitry.
If no visible issues are found, further diagnostic testing may be needed to pinpoint the exact cause of the P1470 fault code.
FAQ
Common symptoms of BMW OBD code P1470 include Engine Light ON, caused by issues like a faulty Leak Detection Pump or related wiring harness problems. Fix involves inspecting and repairing affected components.
OBD code P1470 in BMW vehicles is typically caused by a faulty Leak Detection Pump (LDP), open/shorted harness, or poor electrical connection. Inspect and repair as needed.
Diagnose and repair OBD code P1470 in your BMW by checking for a faulty Leak Detection Pump (LDP), open/shorted harness, or poor electrical connection.
Wrap Up
If your BMW is displaying OBD code P1470, you may experience rough idling, stalling, or poor acceleration.
This code typically indicates an issue with the airfuel ratio sensor, wiring problems, or a vacuum leak in the intake system.
To address BMW OBD code P1470, start by inspecting the wiring harness and connectors related to the airfuel ratio sensor.
Check for any damaged wires, loose connections, or corrosion.
If no issues are found, consider testing the sensor itself for proper operation or replacing it if necessary.
