Fiat B2193
way connection. Then start the vehicle and wait for about 30 seconds to determine if the DTC clears or it changes to a stored DTC. If you find it no longer exhibits an active fault
Quick answer
For a 2014–2017 US Fiat 500e, an active B2193 is addressed in the cited Fiat service communication by resetting the Intelligent Battery Sensor (IBS) through its 2-way connection, then starting the vehicle and waiting about 30 seconds. If B2193 is no longer active or becomes stored, the same IBS may be retained. If it remains active, the communication directs replacement of the IBS.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does B2193 mean?
For a 2014–2017 US Fiat 500e, an active B2193 is addressed in the cited Fiat service communication by resetting the Intelligent Battery Sensor (IBS) through its 2-way connection, then starting the vehicle and waiting about 30 seconds. If B2193 is no longer active or becomes stored, the same IBS may be retained. If it remains active, the communication directs replacement of the IBS.
2. Technical explanation
The supplied verified evidence identifies B2193 in a Fiat 500e service communication concerning the Intelligent Battery Sensor (IBS). The diagnostic title/meaning supplied in the database appears truncated and does not establish a complete code definition. The verified service guidance is conditional on B2193 being active: reset the IBS by cycling its 2-way connection, start the vehicle, and wait about 30 seconds to see whether the DTC clears or changes to stored status. An active B2193 that remains after this process leads to IBS replacement under the cited communication.
3. What system is affected?
Intelligent Battery Sensor (IBS), based on the cited Fiat service communication.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
Not yet established by verified evidence.
6. Possible causes
- An active B2193 related to the Intelligent Battery Sensor (IBS) is established by the cited service communication. A more specific underlying fault mechanism is not yet established by verified evidence.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Have a qualified Fiat/EV service provider evaluate an active B2193 using the applicable service communication.
- Do not perform high-voltage repair work based on this information.
10. Step-by-step troubleshooting
- Confirm whether B2193 is active or stored.
- For an active B2193, the cited communication instructs resetting the IBS by cycling its 2-way connection.
- Start the vehicle and wait approximately 30 seconds.
- Determine whether B2193 clears or changes to a stored DTC, versus remaining active.
11. When to contact service
Contact a qualified Fiat service provider if B2193 remains active after the procedure described in the cited service communication.
12. What the service center may check
- Check whether B2193 is active.
- After the IBS reset procedure and approximately 30-second wait, check whether B2193 is cleared, stored, or still active.
13. Possible repair or resolution
- If B2193 no longer exhibits an active fault or changes to stored status, the cited communication states it is appropriate to keep the same IBS.
- If active B2193 remains, the cited communication directs replacement of the IBS.
14. Affected vehicles
- Fiat 500e · 2014–2017 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication PDF 10234420, document S1408000384, published February 14, 2023. It provides the cited active-B2193 IBS diagnostic and replacement guidance for the applicable vehicle population.
16. Recall information
No recall relationship is established by verified evidence.
17. Official manufacturer information
Verified source: NHTSA Manufacturer Communication PDF 10234420, S1408000384: https://static.nhtsa.gov/odi/tsbs/2023/MC-10234420-9999.pdf
19. Frequently asked questions
What should be done if B2193 is active?
The cited service communication directs an IBS reset by cycling its 2-way connection, followed by starting the vehicle and waiting about 30 seconds to assess whether the DTC clears, becomes stored, or remains active.
When does the cited guidance call for IBS replacement?
It calls for IBS replacement when B2193 remains active after the stated reset and evaluation process.
Does B2193 establish that the vehicle is unsafe to drive or charge?
Not yet established by verified evidence.