AutoCodes – Generic – P17B2

P17B2 Code - Transmission Range Control Module System High Voltage

Quick Answer

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Faulty Transmission Range Control Module, Transmission Range Control Module harness is open or shorted, Transmission Range 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: P17B2 indicates Transmission Range Control Module System High Voltage.
Common causes: Common causes include Faulty Transmission Range Control Module, Transmission Range Control Module harness is open or shorted, Transmission Range 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 706

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 Jul 04, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P17B2 Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Diagnostic Trouble Code (DTC) will be set when the Transmission Range Control Module detects a system voltage below or above a threshold.

OBDII Code P17B2 - Transmission Range Control Module System High Voltage - AutoCodes.com — P17B2 Code - Transmission Range Control Module System High Voltage

What does this mean?

What are the Possible Causes of the DTC P17B2?

Faulty Transmission Range Control Module
Transmission Range Control Module harness is open or shorted
Transmission Range Control Module circuit poor electrical connection

How to Fix the DTC P17B2?

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 P17B2 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 P17B2 code?

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Need Help with the Code?

Get the P17B2 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P17B2 Buick — Transmission Range Control Module System High Voltage
P17B2 Cadillac — Transmission Range Control Module System High Voltage
P17B2 Chevrolet — Transmission Range Control Module System High Voltage
P17B2 GMC — Transmission Range Control Module System High Voltage

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 P17B2 Code

1. What are common symptoms of OBDII code P17B2 (Transmission Range Control Module System High Voltage)?

- Common symptoms include transmission shifting issues, erratic gear changes, and illuminated warning lights on the dashboard.

2. What causes OBDII code P17B2 to trigger?

- This code is typically triggered by a malfunction in the transmission range control module, high voltage in the system, or damaged wiring.

3. How can I diagnose the cause of OBDII code P17B2?

- A diagnostic scan tool can be used to read the code and further diagnose the issue. Checking the transmission range control module and related components for faults is also recommended.

4. Can I still drive my vehicle with OBDII code P17B2 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the transmission system.

5. What repairs are typically needed to fix OBDII code P17B2?

- Repairs may involve replacing the transmission range control module, repairing damaged wiring, or addressing high voltage issues in the system.

6. Are there any DIY tips for fixing OBDII code P17B2?

- DIY tips include checking for loose or damaged wiring, ensuring proper connections to the transmission range control module, and clearing the code with a diagnostic tool.

7. How much does it cost to repair OBDII code P17B2?

- Repair costs can vary depending on the extent of the issue, parts needed, and labor involved. It is recommended to get a diagnosis from a professional to determine the exact cost.

8. Can OBDII code P17B2 be caused by a faulty sensor?

- Yes, a faulty sensor related to the transmission range control module can potentially trigger this code.

9. Is it safe to reset the OBDII code P17B2 and continue driving without repairs?

- It is not recommended to reset the code without addressing the underlying issue, as it can lead to more severe transmission problems in the future.

10. How can I prevent OBDII code P17B2 from recurring in the future?

- Regular maintenance of the transmission system, checking for wiring issues, and addressing any warning signs early can help prevent this code from recurring.