AutoCodes – Generic – P165D

P165D Code - EWS Data Faulty Release Code Storage

Quick Answer

The Digital Motor Electronics (DME) monitors the EWS (Electronic Immobilizer). Common causes include Faulty Digital Motor Electronics (DME), Digital Motor Electronics (DME) harness is open or shorted, Digital Motor Electronics (DME) 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: P165D indicates EWS Data Faulty Release Code Storage.
Common causes: Common causes include Faulty Digital Motor Electronics (DME), Digital Motor Electronics (DME) harness is open or shorted, Digital Motor Electronics (DME) 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 5,001

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 Jan 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P165D Description

The Digital Motor Electronics (DME) monitors the EWS (Electronic Immobilizer). The DME sets the OBDII code when the EWS (Electronic Immobilizer) is not to factory specifications.

OBDII Code P165D - EWS Data Faulty Release Code Storage - AutoCodes.com — P165D Code - EWS Data Faulty Release Code Storage

What does this mean?

What are the Possible Causes of the DTC P165D?

Faulty Digital Motor Electronics (DME)
Digital Motor Electronics (DME) harness is open or shorted
Digital Motor Electronics (DME) circuit poor electrical connection
EWS (Electronic Immobilizer) data

How to Fix the DTC P165D?

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 P165D 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 P165D code?

Need more information on how to fix the P165D code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P165D code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P165D BMW — EWS Data Faulty Release Code Storage
P165D MINI — EWS Data Faulty Release Code Storage

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 P165D Code

What does the OBDII code P165D mean?

1. P165D indicates an issue with the EWS (Electronic Immobilizer System) where the release code storage contains faulty or corrupted data. 2.

What are the common symptoms of code P165D?

Symptoms may include the engine failing to start, the immobilizer warning light illuminating, or intermittent starting issues. 3.

What causes the P165D code to appear?

Common causes include a malfunctioning EWS module, wiring or connector issues, a failing key transponder, or corrupted EWS data due to software or hardware faults. 4.

Can a low car battery cause the P165D code?

Yes, a weak or failing battery can cause voltage fluctuations, leading to issues with the EWS system and triggering the P165D code. 5.

How is the P165D code diagnosed?

Diagnosis involves scanning the vehicle with a compatible OBDII scanner, inspecting the EWS module and wiring, testing the key transponder, and checking the vehicle's battery and electrical connections. 6.

Is it safe to drive with the P165D code?

No, driving may not be possible since this code often prevents the engine from starting due to immobilizer activation. 7.

How can the P165D code be fixed?

Repairs may include reprogramming or replacing the EWS module, repairing or replacing damaged wiring, replacing the key transponder, or updating the vehicleâ€™s software. 8.

Can the P165D code reset itself?

In rare cases, the code may clear temporarily if the fault is intermittent, but the underlying issue will likely return until properly diagnosed and repaired. 9.

Do I need to replace the EWS module to fix the P165D code?

Not always. The issue might be resolved through reprogramming, repairing wiring, or addressing key transponder issues without replacing the module. 10.

Can a locksmith help with the P165D code?

Yes, a qualified automotive locksmith with the right tools can assist with diagnosing and reprogramming the immobilizer system if the issue involves the key or EWS module.