P0881 2016 GMC Sierra Code - Transmission Control Module Supply Voltage Performance
Quick Answer
The P0881 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Transmission Control Module (TCM) supply voltage performance. Common causes include Faulty TCM power supply relay, Corroded or loose electrical connections, Defective TCM. 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
- P0881 2016 GMC Sierra indicates Transmission Control Module Supply Voltage Performance.
- Common causes
- Common causes include Faulty TCM power supply relay, Corroded or loose electrical connections, Defective TCM.
- 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 P0881 2016 GMC Sierra Description
The P0881 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Transmission Control Module (TCM) supply voltage performance. The TCM is a crucial component of the vehicle's transmission system, responsible for controlling various functions such as shifting gears, torque converter lockup, and overall transmission performance. The supply voltage refers to the electrical power provided to the TCM to ensure its proper operation.
Common Causes of P0881 2016 GMC Sierra
- Faulty TCM power supply relay
- Corroded or loose electrical connections
- Defective TCM
- Battery voltage issues
- Wiring harness damage
Symptoms of P0881 2016 GMC Sierra
- Erratic shifting patterns
- Transmission slipping
- Harsh engagements
- Transmission going into limp mode
- Illumination of the Check Engine Light
How to Fix P0881 2016 GMC Sierra
- Begin by checking the TCM power supply relay for proper operation and replace if necessary.
- Inspect all electrical connections related to the TCM for corrosion or looseness and clean or tighten as needed.
- Test the TCM for functionality and replace if found to be defective.
- Check the vehicle's battery voltage to ensure it is within the proper range.
- Inspect the wiring harness for any damage or wear and repair or replace as needed.
Cost to Fix P0881 2016 GMC Sierra
The typical repair costs for addressing a P0881 code on a 2016 GMC Sierra can range from $150 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing.
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