P182B 2016 GMC Sierra Code - Internal Mode Switch 'B' Circuit Low Voltage
Quick Answer
The internal mode switch indicates the Transmission Control Module (TCM) which gear position the vehicle operator has selected. Common causes include Faulty Transmission Internal Mode Switch, Transmission Internal Mode Switch harness is open or shorted, Transmission Internal Mode Switch 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
- P182B 2016 GMC Sierra indicates Internal Mode Switch 'B' Circuit Low Voltage.
- Common causes
- Common causes include Faulty Transmission Internal Mode Switch, Transmission Internal Mode Switch harness is open or shorted, Transmission Internal Mode Switch 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.
Code P182B 2016 GMC Sierra Description
What are the Possible Causes of the DTC P182B 2016 GMC Sierra?
- Faulty Transmission Internal Mode Switch
- Transmission Internal Mode Switch harness is open or shorted
- Transmission Internal Mode Switch circuit poor electrical connection
- Faulty Transmission Control Module (TCM)
How to Fix the DTC P182B 2016 GMC Sierra?
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 P182B 2016 GMC Sierra 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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Frequently Asked Questions about P182B 2016 GMC Sierra Code
1. What does the OBDII code P182B mean on a 2016 GMC Sierra?
P182B indicates an issue with the Internal Mode Switch 'B' Circuit, specifically low voltage detected by the transmission control module.
2. What are the common symptoms of code P182B on a GMC Sierra?
Symptoms may include transmission shifting issues, failure to shift into certain gears, a check engine light, and reduced vehicle performance.
3. What causes the P182B code on a 2016 GMC Sierra?
Common causes include damaged wiring or connectors in the Internal Mode Switch circuit, a faulty transmission range sensor, or issues with the transmission control module.
4. Can I drive my 2016 GMC Sierra with code P182B?
Driving with this code is not recommended as it can lead to transmission malfunctions or damage over time.
5. How can I diagnose the P182B code?
Use an OBDII scanner to confirm the code, inspect the wiring and connectors for damage, and test the Internal Mode Switch and transmission range sensor.
6. How is the P182B code repaired?
Repairs may involve fixing or replacing damaged wiring, connectors, or the transmission range sensor, and in some cases, reprogramming or replacing the transmission control module.
7. How much does it cost to fix the P182B code on a GMC Sierra?
Repair costs vary depending on the issue, but can range from $100 for wiring repairs to over $500 if a sensor or module needs replacement.
8. Can a weak battery cause the P182B code on a GMC Sierra?
Yes, low voltage from a weak battery or charging system issues can sometimes contribute to this code.
9. What tools are needed to fix the P182B code?
An OBDII scanner, multimeter for voltage testing, and basic tools for inspecting and repairing wiring or connectors are typically required.
10. Does the P182B code require transmission replacement?
Not usually. This code usually involves electrical or sensor issues, but severe internal transmission problems could trigger it in rare cases.
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