AutoCodes – Chevrolet – P0882 2018 Chevrolet Silverado

P0882 2018 Chevrolet Silverado Code - Transmission Control Module Supply Voltage Circuit Low Voltage

Quick Answer

The Transmission Control Module (TCM) requires continuous battery voltage to operate. Common causes include Faulty Transmission Control Moduleâ€‰(TCM), Transmission Control Module harness is open or shorted, Transmission Control 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: P0882 2018 Chevrolet Silverado indicates Transmission Control Module Supply Voltage Circuit Low Voltage.
Common causes: Common causes include Faulty Transmission Control Moduleâ€‰(TCM), Transmission Control Module harness is open or shorted, Transmission Control 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 359

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Aug 03, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0882 2018 Chevrolet Silverado Description

The Transmission Control Module (TCM) requires continuous battery voltage to operate. The Transmission Control Module monitors the battery voltage. The Diagnostic Trouble Code (DTC) will be set when the TCM detects battery B+ voltage below a threshold based on transmission fluid temperature for 5 s. The threshold varies from 7.5 V for temperatures below −60°C (−76°F) to 9 V for temperatures above 20°C (68°F).

OBDII Code P0882 2018 Chevrolet Silverado - Transmission Control Module Supply Voltage Circuit Low Voltage - AutoCodes.com — P0882 2018 Chevrolet Silverado Code - Transmission Control Module Supply Voltage Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P0882 2018 Chevrolet Silverado?

Faulty Transmission Control Moduleâ€‰(TCM)
Transmission Control Module harness is open or shorted
Transmission Control Module circuit poor electrical connection

How to Fix the DTC P0882 2018 Chevrolet Silverado?

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 P0882 2018 Chevrolet Silverado 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.

Need more information about the P0882 2018 Chevrolet Silverado code?

Need more information on how to fix the P0882 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 P0882 2018 Chevrolet Silverado Code

1. What does OBDII code P0882 mean on a 2018 Chevrolet Silverado?

P0882 indicates that the Transmission Control Module (TCM) is detecting a low voltage condition in the TCM supply voltage circuit.

2. What are the common symptoms of code P0882 in a 2018 Chevrolet Silverado?

Common symptoms include erratic shifting, the transmission being stuck in limp mode, delayed engagement, or the check engine light being illuminated.

3. What causes the P0882 code to appear on a 2018 Chevrolet Silverado?

Potential causes include a faulty TCM relay, damaged wiring or connectors in the TCM circuit, a failing TCM, or a weak or failing battery.

4. Can a weak battery cause the P0882 code in a 2018 Chevrolet Silverado?

Yes, a weak or failing battery can cause low voltage issues in the TCM supply circuit, triggering the P0882 code.

5. How do I fix the P0882 code on my 2018 Chevrolet Silverado?

Start by checking the battery's charge and condition, inspecting the TCM relay, and examining wiring and connectors for damage or corrosion. Replace any faulty components as needed.

6. Is it safe to drive a 2018 Chevrolet Silverado with the P0882 code?

Driving with the P0882 code is not recommended, as the transmission may operate in limp mode or have shifting issues, which could lead to further damage or unsafe driving conditions.

7. How much does it cost to repair the P0882 code on a 2018 Chevrolet Silverado?

Repair costs can vary, ranging from $50 for a relay replacement to $500 or more if the TCM or extensive wiring repairs are required.

8. Can a faulty alternator cause the P0882 code on a 2018 Chevrolet Silverado?

Yes, a faulty alternator can lead to low voltage in the electrical system, potentially triggering the P0882 code.

9. How do I diagnose the P0882 code on a 2018 Chevrolet Silverado?

Use a multimeter to check for proper voltage at the TCM, inspect all related wiring and connectors, test the TCM relay, and ensure the battery and alternator are functioning correctly.

10. Can clearing the P0882 code solve the issue on my 2018 Chevrolet Silverado?

Clearing the code without addressing the underlying issue will not resolve the problem, and the code is likely to return. Proper diagnosis and repair are necessary.