AutoCodes – Generic – B1A88

B1A88 Code - Ultrasonic Sensor Circuit Performance Or Incorrect Operation

Quick Answer

The OBDII sets if the Intrusion Transceiver Module (ITM) does not receive the correct message back from the Intrusion Sensors. Common causes include Faulty Intrusion Transceiver Module (ITM), Faulty Intrusion Module Sensors. 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
B1A88 indicates Ultrasonic Sensor Circuit Performance Or Incorrect Operation.
Common causes
Common causes include Faulty Intrusion Transceiver Module (ITM), Faulty Intrusion Module Sensors.
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.
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Code Popularity 1,122
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 14, 2019
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Code B1A88 Description

The OBDII sets if the Intrusion Transceiver Module (ITM) does not receive the correct message back from the Intrusion Sensors.
OBDII Code B1A88 - Ultrasonic Sensor Circuit Performance Or Incorrect Operation - AutoCodes.com
B1A88 Code - Ultrasonic Sensor Circuit Performance Or Incorrect Operation

What are the Possible Causes of the DTC B1A88?

  • Faulty Intrusion Transceiver Module (ITM)
  • Faulty Intrusion Module Sensors

How to Fix the DTC B1A88?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1A88 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.

Need more information about the B1A88 code?

Need more information on how to fix the B1A88 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1A88 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • B1A88 Chrysler β€” Ultrasonic Sensor Circuit Performance Or Incorrect Operation
  • B1A88 Dodge β€” Ultrasonic Sensor Circuit Performance Or Incorrect Operation
  • B1A88 Jeep β€” Ultrasonic Sensor Circuit Performance Or Incorrect Operation
  • B1A88 RAM β€” Ultrasonic Sensor Circuit Performance Or Incorrect Operation
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 B1A88 Code

1. What does the OBDII code B1A88 mean?

The B1A88 code indicates an issue with the performance or operation of the ultrasonic sensor circuit, commonly used in parking assist or proximity detection systems.

2. What are the common symptoms of the B1A88 code?

Symptoms may include malfunctioning parking sensors, inaccurate proximity warnings, or a warning light on the dashboard for the parking assist system.

3. What causes the B1A88 code to appear?

Common causes include a faulty ultrasonic sensor, damaged wiring or connectors in the sensor circuit, or a malfunctioning parking assist control module.

4. Can a dirty sensor cause the B1A88 code?

Yes, dirt, debris, or ice covering the ultrasonic sensor can interfere with its operation and trigger this code.

5. How is the B1A88 code diagnosed?

A technician will inspect the ultrasonic sensor, wiring, and connectors; perform continuity tests; and use a scan tool to monitor sensor data for irregularities.

6. Can I drive with the B1A88 code active?

Yes, the vehicle is typically safe to drive, but parking assist or proximity warning features may not work correctly.

7. How do I fix the B1A88 code?

Repairs may involve cleaning the sensor, repairing or replacing damaged wiring, securing loose connections, or replacing a faulty ultrasonic sensor.

8. How much does it cost to repair the B1A88 code?

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

9. Can I reset the B1A88 code without fixing the problem?

Resetting the code without addressing the root cause will likely result in the code returning as the underlying issue persists.

10. What tools are needed to troubleshoot the B1A88 code?

A diagnostic scan tool, multimeter, and basic hand tools are commonly used for diagnosing and repairing this code.

Discuss the causes and fixes for B1A88 OBDII Code

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