AutoCodes – Chrysler – B1A28 Chrysler

B1A28 Chrysler Code - PCM Mismatch With SKIM

Quick Answer

For the engine to start, the Sentry Key Immobilizer (SKIM) feature of the Radio Frequency Hub (RF Hub) and the Powertrain Control Module (PCM) must successfully communicate data over the data bus. Common causes include Faulty Radio Frequency Hub (RF Hub), Faulty Powertrain Control Module (PCM). 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: B1A28 Chrysler indicates PCM Mismatch With SKIM.
Common causes: Common causes include Faulty Radio Frequency Hub (RF Hub), Faulty Powertrain Control Module (PCM).
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 4,565

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1A28 Chrysler Description

OBDII Code B1A28 Chrysler - PCM Mismatch With SKIM - AutoCodes.com — B1A28 Chrysler Code - PCM Mismatch With SKIM

What does this mean?

What are the Possible Causes of the DTC B1A28 Chrysler?

Faulty Radio Frequency Hub (RF Hub)
Faulty Powertrain Control Module (PCM)

How to Fix the DTC B1A28 Chrysler?

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 B1A28 Chrysler 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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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 B1A28 Chrysler Code

1. What are the common symptoms of OBDII code B1A28 Chrysler (PCM Mismatch With SKIM)?

- Common symptoms include the engine not starting, rough idling, and the Check Engine Light being illuminated.

2. What causes the OBDII code B1A28 Chrysler (PCM Mismatch With SKIM) to occur?

- This code is typically triggered when there is a mismatch between the Powertrain Control Module (PCM) and the Sentry Key Immobilizer Module (SKIM) in the vehicle.

3. How is the OBDII code B1A28 Chrysler (PCM Mismatch With SKIM) diagnosed?

- Diagnosis involves using a professional OBDII scanner to read the code and further testing to determine the root cause of the PCM and SKIM mismatch.

4. Can I continue driving my vehicle with the OBDII code B1A28 Chrysler (PCM Mismatch With SKIM) present?

- It is not recommended to drive the vehicle with this code present, as it can lead to potential starting or running issues.

5. What are some repair tips for resolving the OBDII code B1A28 Chrysler (PCM Mismatch With SKIM)?

- Common repair tips include reprogramming or replacing the PCM and SKIM modules to ensure they are properly synchronized.

6. Is it possible to reset the OBDII code B1A28 Chrysler (PCM Mismatch With SKIM) without professional help?

- Resetting this code may require professional diagnostic tools and knowledge to properly synchronize the PCM and SKIM modules.

7. How much does it typically cost to repair the OBDII code B1A28 Chrysler (PCM Mismatch With SKIM)?

- The cost of repair can vary depending on the extent of the issue, but it may involve reprogramming or replacing the PCM and SKIM modules, which can range from a few hundred to a few thousand dollars.

8. Are there any preventive measures to avoid the OBDII code B1A28 Chrysler (PCM Mismatch With SKIM) from occurring?

- Regular maintenance of the vehicle's PCM and SKIM modules, as well as addressing any related issues promptly, can help prevent this code from occurring.

9. Can a DIY enthusiast attempt to repair the OBDII code B1A28 Chrysler (PCM Mismatch With SKIM) at home?

- Due to the complexity of the PCM and SKIM modules, it is recommended to seek professional help for diagnosing and repairing this code.

10. How long does it typically take to repair the OBDII code B1A28 Chrysler (PCM Mismatch With SKIM)?

- The repair time can vary depending on the extent of the issue and the availability of parts, but it may take a few hours to a day to complete the repair process.