B128E Jeep Code - Park Assist Sensor 1
Quick Answer
The Park Assist Sensors (PTS) are ultrasonic transceivers that are completely controlled by the Park Assist Module. Common causes include Faulty Park Assist Sensor 1, Park Assist Sensor 1 harness is open or shorted, Park Assist Sensor 1 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- B128E Jeep indicates Park Assist Sensor 1.
- Common causes
- Common causes include Faulty Park Assist Sensor 1, Park Assist Sensor 1 harness is open or shorted, Park Assist Sensor 1 circuit poor electrical connection.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code B128E Jeep Description
What are the Possible Causes of the DTC B128E Jeep?
- Faulty Park Assist Sensor 1
- Park Assist Sensor 1 harness is open or shorted
- Park Assist Sensor 1 circuit poor electrical connection
- Faulty Park Assist Module
How to Fix the DTC B128E Jeep?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
B128E-12 PTS SENSOR 1 CIRCUIT SHORT TO BATTERY
B128E-25 PTS SENSOR 1 SIGNAL SHAPE / WAVEFORM FAILURE
B128E-92 PTS SENSOR 1 PERFORMANCE OR INCORRECT OPERATION
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B128E Jeep code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B128E Jeep Code
1. What does the OBDII code B128E mean on a Jeep?
The B128E code indicates an issue with Park Assist Sensor 1, which is part of the vehicle's parking aid system.
2. What are the symptoms of code B128E in a Jeep?
Symptoms may include the parking assist system not functioning, warning messages on the dashboard, or the system failing to detect obstacles.
3. What causes the B128E code to appear on a Jeep?
Common causes include a faulty Park Assist Sensor, damaged wiring or connectors, or debris obstructing the sensor.
4. How do I fix the B128E code on my Jeep?
Inspect and clean the sensor, check the wiring and connectors for damage, and replace the sensor if needed. A diagnostic scan tool can help confirm the issue.
5. Can dirt or debris trigger the B128E code?
Yes, dirt, mud, or debris covering the sensor can cause it to malfunction and trigger the code.
6. Where is Park Assist Sensor 1 located on a Jeep?
It is typically located on the front or rear bumper, depending on the sensor setup in your vehicle.
7. Is it safe to drive with the B128E code active?
Yes, but the parking assist system may not function properly, increasing the risk of parking or low-speed maneuvering accidents.
8. How do I clear the B128E code after repairs?
Use an OBDII scan tool to clear the code after resolving the issue, or the system may reset itself after a few successful drive cycles.
9. Can a software issue cause the B128E code on a Jeep?
While rare, a software issue in the parking assist module could potentially cause the code and may require an update or reprogramming.
10. How much does it cost to fix the B128E code on a Jeep?
Costs can vary, but replacing a single sensor typically ranges from $50 to $200, plus labor if done at a repair shop.
Discuss the causes and fixes for B128E Jeep OBDII Code
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