AutoCodes – Saturn – P0602 Saturn

P0602 Saturn Code - Powertrain Control Module Programming Error

Quick Answer

This Diagnostic Trouble Code (DTC) indicates that the Powertrain Control Module (PCM) internal Electrically Erasable Programmable Read-Only Memory (EEPROM) is not flashed with any vehicle software. Common causes include Reprogram Powertrain Control Module (PCM), Faulty Powertrain Control Module, Wrong Powertrain Control Module. 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: P0602 Saturn indicates Powertrain Control Module Programming Error.
Common causes: Common causes include Reprogram Powertrain Control Module (PCM), Faulty Powertrain Control Module, Wrong Powertrain Control Module.
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 7,055

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 Mar 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
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Code P0602 Saturn Description

This Diagnostic Trouble Code (DTC) indicates that the Powertrain Control Module (PCM) internal Electrically Erasable Programmable Read-Only Memory (EEPROM) is not flashed with any vehicle software. If you install a service PCM and do not flash the EEPROM, the engine will not run. This DTC indicates that an un-flashed PCM causes the engine cranks but will not run situation.

OBDII Code P0602 Saturn - Powertrain Control Module Programming Error - AutoCodes.com — P0602 Saturn Code - Powertrain Control Module Programming Error

What does this mean?

What are the Possible Causes of the DTC P0602 Saturn?

Reprogram Powertrain Control Module (PCM)
Faulty Powertrain Control Module
Wrong Powertrain Control Module

How to Fix the DTC P0602 Saturn?

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 P0602 Saturn 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 P0602 Saturn code?

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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.