AutoCodes – Saturn – P0C52 Saturn

P0C52 Saturn Code - Drive Motor 1 Position Sensor Circuit 1 Low Voltage

Quick Answer

The drive motor position sensor is monitored by the motor control module. Common causes include Faulty Drive Motor 1 Position Sensor, Drive Motor 1 Position Sensor harness is open or shorted, Drive Motor 1 Position 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: P0C52 Saturn indicates Drive Motor 1 Position Sensor Circuit 1 Low Voltage.
Common causes: Common causes include Faulty Drive Motor 1 Position Sensor, Drive Motor 1 Position Sensor harness is open or shorted, Drive Motor 1 Position 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 856

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 Aug 07, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0C52 Saturn Description

The drive motor position sensor is monitored by the motor control module. The motor control module monitors the angular position, speed, and direction of the drive motor rotor based upon the signals of the resolver-type position sensor. The position sensor contains a drive coil, two driven coils, and an irregular-shaped metallic rotor. The metallic rotor is mechanically attached to the shaft of the drive motor. At vehicle ON, the motor control module outputs a 7 V AC, 10 kHz excitation signal to the drive coil. The drive coil excitation signal creates a magnetic field surrounding the two driven coils and the irregular-shaped rotor. The motor control module then monitors the two driven coil circuits for return signals, often referred to as Sine and Cosine waveforms, abbreviated SIN and COS. The position of the irregular metallic rotor causes the magnetically induced return signals of the driven coils to vary in size and shape. A comparison of the two driven coil signals allows the motor control module to determine the exact position, speed, and direction of the drive motor rotor. The drive motor 1 position sensor is serviceable separately from the drive motor assembly. The Diagnostic Trouble Code (DTC) will be set when the circuit voltage is less than 0.5 V.

OBDII Code P0C52 Saturn - Drive Motor 1 Position Sensor Circuit 1 Low Voltage - AutoCodes.com — P0C52 Saturn Code - Drive Motor 1 Position Sensor Circuit 1 Low Voltage

What does this mean?

What are the Possible Causes of the DTC P0C52 Saturn?

Faulty Drive Motor 1 Position Sensor
Drive Motor 1 Position Sensor harness is open or shorted
Drive Motor 1 Position Sensor circuit poor electrical connection
Faulty Power Inverter Module

How to Fix the DTC P0C52 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 P0C52 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.

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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 P0C52 Saturn Code

1. What does the OBDII code P0C52 mean on a Saturn?

P0C52 indicates a low voltage issue in the Drive Motor 1 Position Sensor Circuit 1, which monitors the position of the drive motor rotor in hybrid or electric vehicles.

2. What are the common symptoms of the P0C52 code in a Saturn?

Common symptoms include reduced power output, difficulty accelerating, the vehicle going into limp mode, or an illuminated check engine light.

3. What causes the P0C52 code to appear?

The code is typically caused by a faulty drive motor position sensor, wiring issues such as damaged or corroded connectors, or a malfunctioning power inverter module.

4. Can I drive my Saturn with the P0C52 code?

Driving with this code is not recommended as it may lead to reduced performance, potential damage to the drive motor, or unsafe driving conditions.

5. How do I diagnose the P0C52 code on my Saturn?

Diagnosis typically involves inspecting the drive motor position sensor, checking for damaged or loose wiring connections, and testing the voltage signal using a multimeter.

6. How do I fix the P0C52 code in a Saturn?

Repairs may include replacing the drive motor position sensor, repairing damaged wiring, cleaning corroded connectors, or replacing the power inverter module if necessary.

7. Is the P0C52 code specific to Saturn hybrid or electric vehicles?

Yes, this code is typically found in Saturn hybrid or electric vehicles equipped with a drive motor that uses a position sensor for rotor tracking.

8. What tools are needed to diagnose the P0C52 code?

Youâ€™ll need an OBDII scanner, a multimeter, and potentially a wiring diagram for your vehicle to check the circuit and sensor.

9. How much does it cost to repair the P0C52 code on a Saturn?

Repair costs can vary widely, from $100â€“$300 for sensor replacement to over $1,000 if the power inverter module needs to be replaced.

10. Can a software update cause the P0C52 code to clear?

In rare cases, a software update to the powertrain control module (PCM) may resolve the issue, but this is only applicable if recommended by the manufacturer.