AutoCodes – Dodge – P1488 Dodge

P1488 Dodge Code - 5 Volt Supply Voltage Low Condition

Quick Answer

The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module (ECM) detected the 5-volt reference voltage at the input sensors was low during the constant monitor test. Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Faulty Camshaft Position Sensor, Sensor 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: P1488 Dodge indicates 5 Volt Supply Voltage Low Condition.
Common causes: Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Faulty Camshaft Position Sensor, Sensor 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 9,249

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 30, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1488 Dodge Description

The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module (ECM) detected the 5-volt reference voltage at the input sensors was low during the constant monitor test.

OBDII Code P1488 Dodge - 5 Volt Supply Voltage Low Condition - AutoCodes.com — P1488 Dodge Code - 5 Volt Supply Voltage Low Condition

What does this mean?

What are the Possible Causes of the DTC P1488 Dodge?

Faulty Manifold Absolute Pressure (MAP) Sensor
Faulty Camshaft Position Sensor
Sensor harness is open or shorted
Sensor circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P1488 Dodge?

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 P1488 Dodge 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 P1488 Dodge code?

Need more information on how to fix the P1488 Dodge code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1488 Dodge code diagnosed by a professional: Find a repair shop in your area

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 P1488 Dodge Code

1. What are the common symptoms of OBDII code P1488 in a Dodge vehicle?

The common symptoms of OBDII code P1488 in a Dodge vehicle include engine misfires, rough idling, stalling, poor acceleration, and the illumination of the Check Engine Light.

2. What does the OBDII code P1488 "5 Volt Supply Voltage Low Condition" mean in a Dodge?

The OBDII code P1488 in a Dodge indicates that the Engine Control Module (ECM) has detected a low voltage condition in the 5-volt reference circuit.

3. What are the possible causes of OBDII code P1488 in a Dodge?

Possible causes of OBDII code P1488 in a Dodge include a faulty Engine Control Module (ECM), damaged wiring or connectors in the 5-volt reference circuit, or a short circuit to ground in the circuit.

4. How can I diagnose the OBDII code P1488 in my Dodge?

Diagnosing OBDII code P1488 in a Dodge typically involves checking the 5-volt reference circuit for any shorts to ground, testing the ECM for proper voltage output, and inspecting the wiring and connectors for any damage.

5. Can I still drive my Dodge with the OBDII code P1488 present?

It is not recommended to drive your Dodge with the OBDII code P1488 present, as it can lead to further damage to the engine or other components. It is best to address the issue promptly.

6. How serious is the OBDII code P1488 in a Dodge?

The OBDII code P1488 in a Dodge should be taken seriously, as it can affect the performance and reliability of the engine. Ignoring the code can lead to potential drivability issues and further damage.

7. How can I repair OBDII code P1488 in my Dodge?

Repairing OBDII code P1488 in a Dodge may involve replacing a faulty ECM, repairing damaged wiring or connectors, or fixing any shorts to ground in the 5-volt reference circuit. It is recommended to have a professional mechanic diagnose and repair the issue.

8. Can a DIY enthusiast fix OBDII code P1488 in a Dodge?

While some DIY enthusiasts may have the skills to diagnose and repair OBDII code P1488 in a Dodge, it is recommended to seek professional help due to the complexity of the issue and the importance of proper diagnosis and repair.

9. Will resetting the Check Engine Light clear the OBDII code P1488 in my Dodge?

Resetting the Check Engine Light may temporarily clear the code, but if the underlying issue causing OBDII code P1488 is not addressed, the code is likely to return. It is crucial to diagnose and repair the root cause of the problem.

10. How much does it cost to fix OBDII code P1488 in a Dodge?

The cost to fix OBDII code P1488 in a Dodge can vary depending on the cause of the issue, the extent of the repairs needed, and the labor rates of the repair shop. It is advisable to get a diagnostic assessment from a professional to determine the exact cost.