AutoCodes – Chevrolet – P16DE Chevrolet

P16DE Chevrolet Code - Battery Monitor Internal Temperature Circuit Low Voltage

Quick Answer

The vehicle control module monitors the system voltage, current, and internal temperature to verify they are within the normal operating range. Common causes include Faulty Battery Monitor Module, Battery Monitor Module harness is open or shorted, Battery Monitor Module circuit poor electrical connection. 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: P16DE Chevrolet indicates Battery Monitor Internal Temperature Circuit Low Voltage.
Common causes: Common causes include Faulty Battery Monitor Module, Battery Monitor Module harness is open or shorted, Battery Monitor Module circuit poor electrical connection.
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 1,546

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 Jan 12, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P16DE Chevrolet Description

The vehicle control module monitors the system voltage, current, and internal temperature to verify they are within the normal operating range. It also monitors ROM or RAM memory faults, and performs other internal diagnostics.

OBDII Code P16DE Chevrolet - Battery Monitor Internal Temperature Circuit Low Voltage - AutoCodes.com — P16DE Chevrolet Code - Battery Monitor Internal Temperature Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P16DE Chevrolet?

Faulty Battery Monitor Module
Battery Monitor Module harness is open or shorted
Battery Monitor Module circuit poor electrical connection

How to Fix the DTC P16DE Chevrolet?

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 P16DE Chevrolet 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 P16DE Chevrolet Code

1. What does the OBDII code P16DE mean on a Chevrolet?

The code P16DE indicates a "Battery Monitor Internal Temperature Circuit Low Voltage," meaning the vehicle's battery monitor system has detected an abnormally low voltage in the internal temperature circuit.

2. What are the common symptoms of code P16DE in a Chevrolet?

Symptoms may include an illuminated check engine light, erratic voltage readings, poor battery performance, or difficulty starting the vehicle.

3. What causes the P16DE code to appear?

Common causes include a faulty battery temperature sensor, damaged wiring or connectors in the circuit, or a malfunctioning battery monitor control module.

4. Can you drive a Chevrolet with the P16DE code?

It’s generally not recommended to drive long distances with this code active, as issues with the battery monitor system can lead to electrical problems or battery failure.

5. How do you diagnose a P16DE code on a Chevrolet?

Diagnosis involves scanning for the code, inspecting the battery temperature sensor and its wiring for damage, and testing the battery monitor control module for proper operation.

6. How is the P16DE code fixed in a Chevrolet?

Repairs may include replacing the battery temperature sensor, repairing or replacing damaged wiring, or reprogramming or replacing the battery monitor control module.

7. How much does it cost to fix the P16DE code on a Chevrolet?

Repair costs vary but typically range from $100 to $300, depending on whether the issue is with the sensor, wiring, or control module.

8. Can a weak battery cause the P16DE code?

Yes, a weak or failing battery can contribute to this code, as it may affect the voltage readings in the battery monitor system.

9. Does the P16DE code always require replacement of the battery monitor control module?

No, the control module doesn’t always need replacement. The issue could be with the sensor or wiring, so proper diagnosis is essential.

10. Can I clear the P16DE code without fixing the problem?

Clearing the code without fixing the underlying issue may temporarily turn off the check engine light, but the code is likely to return until the problem is resolved.