AutoCodes – Generic – P1908

P1908 Code - Data Bus ECM 1/2 Software Version Monitoring

Quick Answer

P1908 indicates Data Bus ECM 1/2 Software Version Monitoring. Common causes include Engine Control Module (ECM) program, Faulty Engine Control Module (ECM), Engine Control Module (ECM) harness is open or shorted. 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: P1908 indicates Data Bus ECM 1/2 Software Version Monitoring.
Common causes: Common causes include Engine Control Module (ECM) program, Faulty Engine Control Module (ECM), Engine Control Module (ECM) harness is open or shorted.
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 18,795

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 Sep 27, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1908 Description

OBDII Code P1908 - Data Bus ECM 1/2 Software Version Monitoring - AutoCodes.com — P1908 Code - Data Bus ECM 1/2 Software Version Monitoring

What does this mean?

What are the Possible Causes of the DTC P1908?

Engine Control Module (ECM) program
Faulty Engine Control Module (ECM)
Engine Control Module (ECM) harness is open or shorted
Engine Control Module (ECM) circuit poor electrical connection

How to Fix the DTC P1908?

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 P1908 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 P1908 code?

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Information for Specific Makes

P1908 Audi — Data Bus ECM 1/2 Software Version Monitoring
P1908 Ford — Transmission Pressure Circuit Solenoid Open or Short to Ground
P1908 Saab — CAN Data Bus Instrument Panel
P1908 Volkswagen — Data Bus ECM 1/2 Software Version Monitoring

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.