C194E
Deterioration Of Sub Battery
C194E is an OBD-II diagnostic trouble code meaning: Deterioration Of Sub Battery. Common causes: auxiliary battery wear, poor contact in battery circuits. Estimated repair cost: $56–222.
Symptoms
- Reduced performance of the hybrid system
- Warning messages on the dashboard
- Vehicle power limitation
- Problems starting auxiliary systems
Causes
- Auxiliary battery wear
- Poor contact in battery circuits
- Wiring harness damage
- Energy management system malfunction
- Short circuit in the circuit
How to Fix
- Check the condition of the auxiliary battery
- Test battery voltage and capacity
- Inspect circuits and connectors for damage
- Check the operation of the energy management system
- If necessary, replace the battery or repair the circuits
Related codes
FAQ
What does the C194E code mean?
C194E is an OBD-II diagnostic trouble code that indicates: Deterioration Of Sub Battery
What causes a C194E error code?
The most common causes of C194E include: Auxiliary battery wear; Poor contact in battery circuits; Wiring harness damage; Energy management system malfunction.
How do I fix a C194E diagnostic trouble code?
To fix C194E: Check the condition of the auxiliary battery. Test battery voltage and capacity. Inspect circuits and connectors for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C194E?
Limited driving only, diagnose soon
How much does it cost to fix C194E?
The estimated repair cost for C194E is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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