OBD2 Code C2101 - Jeep Wrangler Forum

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Old 01-05-2013, 02:06 PM
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OBD2 Code C2101

Just wondering if anyone had the obd2 code scanned on their vehicle for C2101 which is BATTERY VOLTAGE HIGH.

If anyone had this problem, any luck on trying to fix it?
This is on a 2012 Jeep JK Unlimited Sport S.
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Old 01-06-2013, 09:14 AM   #2
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This is what I found, that supposedly causes that error code:

- Faulty Engine Control Module (ECM)
- Vehicle battery
- Vehicle charging system
- Faulty Anti-Lock Brake System Module

Read more: OBD2 - OBDII Code C2101 JEEP - Battery Voltage High | Engine-Codes.com.

If it's a 2012, should be under warranty. Take it in and make them fix it.

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Old 05-25-2014, 01:04 PM   #3
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Im having the same issue, did you find a solution? Mine jeep shut off at a stop light yesterday. I came home and check and gave me the high voltage on battery code
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