AutoCodes – Generic – B1752

B1752 Code - Park/Neutral Switch Circuit Short To Ground

Quick Answer

The Body Control Module (BCM) monitors the Park/Neutral Switch. Common causes include Faulty Park/Neutral Switch, Park/Neutral Switch harness is open or shorted, Park/Neutral 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: B1752 indicates Park/Neutral Switch Circuit Short To Ground.
Common causes: Common causes include Faulty Park/Neutral Switch, Park/Neutral Switch harness is open or shorted, Park/Neutral 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.

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Code Popularity 4,087

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 Jun 23, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1752 Description

The Body Control Module (BCM) monitors the Park/Neutral Switch. The BCM sets the OBDII code when the Park/Neutral Switch is not to factory specifications.

OBDII Code B1752 - Park/Neutral Switch Circuit Short To Ground - AutoCodes.com — B1752 Code - Park/Neutral Switch Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B1752?

Faulty Park/Neutral Switch
Park/Neutral Switch harness is open or shorted
Park/Neutral Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1752?

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 B1752 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 B1752 code?

Need more information on how to fix the B1752 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1752 code diagnosed by a professional: Find a repair shop in your area

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 B1752 Code

1. What are the common symptoms of OBDII code B1752 (Park/Neutral Switch Circuit Short To Ground)?

- Common symptoms include difficulty starting the vehicle, the engine stalling when shifting gears, and the vehicle not starting at all.

2. What can cause the OBDII code B1752 to trigger?

- The code can be triggered by a short to ground in the park/neutral switch circuit, a faulty park/neutral switch, or damaged wiring in the circuit.

3. How can I diagnose the OBDII code B1752 related to the Park/Neutral Switch Circuit Short To Ground?

- Diagnose the code by inspecting the wiring for any visible damage, testing the park/neutral switch for continuity, and using a multimeter to check for a short to ground.

4. Can I drive my vehicle with OBDII code B1752 active?

- It is not recommended to drive the vehicle with this code active, as it can lead to further damage and safety hazards.

5. How can I repair OBDII code B1752 (Park/Neutral Switch Circuit Short To Ground)?

- Repair the code by replacing the faulty park/neutral switch, repairing any damaged wiring, and clearing the code with an OBDII scanner.

6. Is it possible to reset the OBDII code B1752 without fixing the issue?

- Resetting the code without fixing the underlying issue will only temporarily clear the code, and it will likely reappear once the problem persists.

7. Are there any DIY tips for fixing the OBDII code B1752?

- DIY tips include checking and cleaning the connectors in the park/neutral switch circuit, ensuring proper grounding, and carefully inspecting the wiring for any issues.

8. Can a faulty battery or alternator trigger the OBDII code B1752?

- While a faulty battery or alternator can cause electrical issues, they are unlikely to directly trigger the B1752 code related to the park/neutral switch circuit.

9. How long does it usually take to repair OBDII code B1752?

- The repair time can vary depending on the exact cause of the issue, but it typically takes a few hours to a full day to diagnose, repair, and clear the code.

10. Will the OBDII code B1752 cause my vehicle to fail an emissions test?

- Yes, the B1752 code can cause your vehicle to fail an emissions test, as it indicates a malfunction in the park/neutral switch circuit, which is vital for proper engine operation.