Battery temperature sensor fault

Stop riding Last verified: pending review Reviewed by: editorial team

Quick answer

Error Code 13 signifies a fault with the battery temperature sensor. This issue can arise if the battery is either too hot or too cold, or if the sensor itself is malfunctioning. Proper functioning of the battery temperature sensor is crucial for the safe operation of the eBike.

Stop riding Battery Often DIY-friendly Beginner (15–30 min)

Does this apply to your bike?

H700 · Bafang · Common displays: DP E171

Heads-up: the same number can mean different things on other systems — always check your drive system first. Browse all drive systems →

What you’ll notice

The display shows Error Code 13, and the motor may not operate correctly due to temperature sensor issues.

Likely causes, ranked

Start at #1 — causes are ordered by how often they turn out to be the problem.

#1 Battery too hot or cold

How to check: Inspect the battery for extreme temperatures.

#2 Faulty battery temperature sensor

How to check: Check the sensor connections and functionality.

Troubleshooting steps

Inspect battery temperature

easy

Check if the battery is excessively hot or cold.

If it passes →Proceed to check sensor connections.

If it fails →Allow the battery to reach a normal temperature.
Check sensor connections

easy

Inspect the connections of the battery temperature sensor for damage or corrosion.

If it passes →If connections are fine, consider replacing the sensor.

If it fails →Repair or clean any damaged connections.
Replace battery temperature sensor

intermediate

If the sensor is faulty, replace it with a new one.

If it passes →Clear the error code and test the system.

If it fails →Consult a professional for further diagnosis.

When to stop and get professional help

If the error persists after checking the temperature and connections, consult a professional.

Never open, puncture, or disassemble the battery pack, and never bypass the BMS. See our safety guide.

More codes for H700

10 · Overtemperature of motor 11 · Motor temperature sensor fault 12 · Over current of motor 14 · Overtemperature of controller 15 · Controller temperature sensor fault 21 · Speed sensor fault

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Sources & verification

Last verified: pending review Reviewed by: editorial team

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