AutoCodes – BMW – P0722 BMW

P0722 BMW Code - Output Speed Sensor No Signal

Quick Answer

The speed sensor detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal. Common causes include Faulty Speed Sensor, Speed Sensor harness is open or shorted, Speed Sensor 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: P0722 BMW indicates Output Speed Sensor No Signal.
Common causes: Common causes include Faulty Speed Sensor, Speed Sensor harness is open or shorted, Speed Sensor 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 6,435

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 14, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0722 BMW Description

The speed sensor detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal. The pulse signal is sent to the Transmission Control Module (TCM) which converts it into vehicle speed.

OBDII Code P0722 BMW - Output Speed Sensor No Signal - AutoCodes.com — P0722 BMW Code - Output Speed Sensor No Signal

What does this mean?

What are the Possible Causes of the DTC P0722 BMW?

Faulty Speed Sensor
Speed Sensor harness is open or shorted
Speed Sensor circuit poor electrical connection

How to Fix the DTC P0722 BMW?

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 P0722 BMW 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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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 P0722 BMW Code

1. What does the OBDII code P0722 mean on a BMW?

P0722 indicates that the transmission control module (TCM) has detected no signal or an invalid signal from the output speed sensor.

2. What are the symptoms of a P0722 code on a BMW?

Common symptoms include erratic shifting, transmission slipping, the vehicle stuck in limp mode, reduced acceleration, or the check engine light turning on.

3. What causes the P0722 code on a BMW?

Potential causes include a faulty output speed sensor, damaged wiring or connectors, issues with the transmission control module, or internal transmission problems.

4. How do I diagnose the P0722 code on a BMW?

Diagnosis typically involves scanning for codes, inspecting the output speed sensor and its wiring, testing the sensor with a multimeter, and checking the transmission fluid level and condition.

5. Can I drive my BMW with a P0722 code?

Driving with this code is not recommended, as it can cause improper transmission operation, which may lead to further damage or unsafe driving conditions.

6. How do I fix the P0722 code on a BMW?

Repairs may include replacing the output speed sensor, repairing damaged wiring or connectors, updating or reprogramming the TCM, or addressing internal transmission issues.

7. Where is the output speed sensor located on a BMW?

The output speed sensor is usually located on the transmission housing, near the output shaft, but the exact location may vary depending on the BMW model.

8. Is the P0722 code expensive to repair on a BMW?

Repair costs depend on the underlying issue, with sensor replacements being relatively affordable, while internal transmission repairs or TCM replacements can be more expensive.

9. Can low transmission fluid cause a P0722 code on a BMW?

Yes, low or contaminated transmission fluid can affect sensor performance and trigger the P0722 code.

10. Do I need to reprogram the TCM after fixing the P0722 code on a BMW?

In some cases, reprogramming or resetting the TCM may be necessary to clear the code and ensure proper operation. Consult a professional technician for guidance.