AutoCodes – Saturn – P1ECC Saturn

P1ECC Saturn Code - Battery Charger High-Voltage Converter 1 Temperature Sensor Circuit High Voltage

Quick Answer

The battery charger will diagnose its own systems and determine when a fault condition is present. Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger 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: P1ECC Saturn indicates Battery Charger High-Voltage Converter 1 Temperature Sensor Circuit High Voltage.
Common causes: Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger 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 678

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 Apr 25, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1ECC Saturn Description

The battery charger will diagnose its own systems and determine when a fault condition is present. Diagnostics and system status is communicated from the battery charger to the hybrid/EV powertrain control module 2 through serial data. The hybrid/EV powertrain control module 2 is the host controller for Diagnostic Trouble Code (DTC) information. This DTC is for the battery charger are internal measurements that verify the charger is performing properly. The battery charger measures internal voltages, currents, and temperatures and verifies they are within the proper range.

OBDII Code P1ECC Saturn - Battery Charger High-Voltage Converter 1 Temperature Sensor Circuit High Voltage - AutoCodes.com — P1ECC Saturn Code - Battery Charger High-Voltage Converter 1 Temperature Sensor Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P1ECC Saturn?

Faulty Battery Charger
Battery Charger harness is open or shorted
Battery Charger circuit poor electrical connection

How to Fix the DTC P1ECC 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 P1ECC 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 P1ECC Saturn code?

Need more information on how to fix the P1ECC Saturn code? Get Access to Factory Service Manuals

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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 P1ECC Saturn Code

What does the OBDII code P1ECC mean for a Saturn?

P1ECC indicates an issue with the high-voltage converter 1 temperature sensor circuit, where the sensor is reporting abnormally high voltage readings.

What are the common symptoms of a P1ECC code?

Symptoms may include an illuminated check engine light, reduced charging efficiency, potential hybrid system warnings, or limited vehicle performance.

What causes the P1ECC code to appear?

Common causes include a faulty high-voltage temperature sensor, damaged wiring or connectors, a malfunctioning battery charger, or an issue with the vehicle's control module.

Can a bad connection trigger the P1ECC code?

Yes, loose, corroded, or damaged wiring and connectors can disrupt the temperature sensor circuit, leading to the P1ECC code.

How do I diagnose the P1ECC code?

Start by inspecting the sensor wiring and connections for damage or corrosion, test the temperature sensor itself, and check the control module for proper function.

Is the vehicle safe to drive with a P1ECC code?

Driving may be possible, but itâ€™s not recommended as the issue can affect the efficiency of the high-voltage system and potentially cause further damage.

How is the P1ECC code fixed?

Repairs may include replacing the high-voltage temperature sensor, repairing or replacing damaged wiring, or reprogramming the control module if needed.

Can a software update fix the P1ECC code?

In some cases, a software update for the vehicle's control module may resolve the issue if it's caused by a calibration error.

How much does it cost to fix the P1ECC code?

Repair costs vary depending on the specific issue but may range from $100 for minor wiring repairs to $500 or more for sensor or module replacements.

Can I clear the P1ECC code without fixing it?

Clearing the code without addressing the underlying issue will likely result in the code reappearing and potential long-term damage to the high-voltage system.