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Engine-Codes – Generic – B1290

B1290 Code - Park Assist Sensor 3

Quick Answer

The B1290 code indicates a fault with Park Assist Sensor 3 in the vehicle's parking assistance system. Common causes include Physical damage to the sensor, Electrical issues in the sensor circuit, Sensor calibration problems. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1290 indicates Park Assist Sensor 3.
Common causes
Common causes include Physical damage to the sensor, Electrical issues in the sensor circuit, Sensor calibration problems.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code B1290 Description

The B1290 code indicates a fault with Park Assist Sensor 3 in the vehicle's parking assistance system. This sensor is responsible for detecting obstacles and assisting the driver in parking maneuvers. When this sensor is not functioning correctly, it can lead to issues with parking assistance, potentially affecting the vehicle's safety and convenience.

OBDII Code B1290 - Park Assist Sensor 3
B1290 Code - Park Assist Sensor 3

Common Causes of B1290

  1. Physical damage to the sensor
  2. Electrical issues in the sensor circuit
  3. Sensor calibration problems
  4. Water or debris ingress affecting sensor performance

Symptoms of B1290

  1. Parking assistance system not working
  2. False alerts or warnings while parking
  3. Difficulty detecting obstacles while parking
  4. Inconsistent performance of the parking sensor

How to Fix B1290

  1. Begin by locating the Park Assist Sensor 3 on the rear bumper of the vehicle.
  2. Inspect the sensor for any physical damage or signs of wear.
  3. Check the electrical connections and wiring for any loose connections or damage.
  4. Test the sensor's functionality using a diagnostic tool to determine if it is sending/receiving signals correctly.
  5. If the sensor is faulty, replace it with a new sensor and recalibrate the system as needed.

Cost to Fix B1290

The cost of repairing a Park Assist Sensor 3 can vary depending on the make and model of the vehicle, as well as the location and labor rates of the auto repair shop. On average, the parts for a new sensor can range from $50 to $200, with additional costs for labor and diagnostic testing. Overall, the total repair cost for this issue could range from $150 to $400. It is recommended to contact local auto repair shops for more accurate pricing information.

What does this mean?

Tech Notes for B1290

B1290-11 PTS SENSOR 3 CIRCUIT SHORT TO GROUND

B1290-12 PTS SENSOR 3 CIRCUIT SHORT TO BATTERY

B1290-25 PTS SENSOR 3 SIGNAL SHAPE / WAVEFORM FAILURE

B1290-92 PTS SENSOR 3 PERFORMANCE OR INCORRECT OPERATION

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Code B1290 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1290 Code

1. What does the OBDII code B1290 mean?

B1290 indicates an issue with Park Assist Sensor 3, typically referring to a malfunction or fault in the third parking sensor of the system.

2. What are the common symptoms of the B1290 code?

Symptoms include the parking assist system not functioning, inaccurate proximity alerts, or warning lights on the dashboard.

3. What causes the B1290 code to appear?

Causes can include a faulty sensor, damaged wiring or connectors, dirt or debris blocking the sensor, or a control module issue.

4. How can I diagnose a B1290 code?

Start by scanning the vehicle with an OBDII tool, inspecting Park Assist Sensor 3 and its wiring for damage, and checking for obstructions around the sensor.

5. Can dirt or debris trigger the B1290 code?

Yes, dirt, ice, or other debris can obstruct the sensor and cause it to malfunction, leading to this code.

6. How do I fix a B1290 code?

Cleaning the sensor, repairing damaged wiring, or replacing the faulty sensor usually resolves the issue. A system calibration may also be needed.

7. Is B1290 a serious issue?

While it doesn’t affect vehicle drivability, it impairs the parking assist system, which can increase the risk of low-speed collisions.

8. How much does it cost to repair the B1290 code?

Costs vary depending on the issue, but replacing a single parking sensor typically ranges from $100 to $300, including parts and labor.

9. Can I drive with the B1290 code active?

Yes, you can drive, but the parking assist system may not function correctly, so exercise extra caution when parking.

10. Do I need to recalibrate the system after replacing Park Assist Sensor 3?

Yes, many vehicles require system recalibration after replacing a parking sensor to ensure proper functionality.

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