P1A88 Chevrolet Code - 42 Volt System Performance
Quick Answer
The Accessory DC Power Control Module (APM) supplies the energy that flows between the high voltage, 300 volt, Direct Current (DC) and intermediate voltage, 42 volt, DC to support the Electric Power Steering (EPS). Common causes include Faulty Accessory DC Power Control Module (APM), Accessory DC Power Control Module (APM) harness is open or shorted, Accessory DC Power Control Module (APM) 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
- P1A88 Chevrolet indicates 42 Volt System Performance.
- Common causes
- Common causes include Faulty Accessory DC Power Control Module (APM), Accessory DC Power Control Module (APM) harness is open or shorted, Accessory DC Power Control Module (APM) 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.
Code P1A88 Chevrolet Description
The APM continuously monitors the status of its 42 volt circuitry. It will do some diagnostics on this circuitry when the ignition key is first turned to RUN. Additional diagnostics are run while the APM is doing 42 volt conversions after receiving the 42 volt enable command.
What are the Possible Causes of the DTC P1A88 Chevrolet?
- Faulty Accessory DC Power Control Module (APM)
- Accessory DC Power Control Module (APM) harness is open or shorted
- Accessory DC Power Control Module (APM) circuit poor electrical connection
How to Fix the DTC P1A88 Chevrolet?
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 P1A88 Chevrolet 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 P1A88 Chevrolet code?
Need more information on how to fix the P1A88 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1A88 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1A88 Chevrolet Code
1. What are common symptoms of OBDII code P1A88 Chevrolet (42 Volt System Performance)?
- Common symptoms include poor fuel economy, difficulty starting the vehicle, and issues with the vehicle's electrical system.
2. What are the possible causes of OBDII code P1A88 Chevrolet?
- Possible causes include a faulty 42-volt battery, issues with the 42-volt charging system, or problems with the 42-volt power relay.
3. How can I diagnose the OBDII code P1A88 Chevrolet?
- Diagnosis involves using an OBDII scanner to retrieve the code, testing the 42-volt battery and charging system, and inspecting the related components for any visible damage or loose connections.
4. What are some repair tips for addressing OBDII code P1A88 Chevrolet?
- Repair tips may include replacing the 42-volt battery if it is found to be faulty, checking and repairing any damaged wiring or connectors in the 42-volt system, and ensuring proper charging system operation.
5. Can OBDII code P1A88 Chevrolet be safely driven with?
- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the electrical system and potentially cause the vehicle to stall or not start.
6. How much does it typically cost to repair OBDII code P1A88 Chevrolet?
- Repair costs can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.
7. Is OBDII code P1A88 Chevrolet a common issue in Chevrolet vehicles?
- While not extremely common, some Chevrolet vehicles equipped with a 42-volt system may experience this code due to various electrical system failures or malfunctions.
8. Can I reset the OBDII code P1A88 Chevrolet using a simple reset tool?
- Resetting the code with a simple reset tool may temporarily clear the code, but it is crucial to diagnose and repair the underlying issue causing the code to prevent it from reoccurring.
9. How long does it take to repair OBDII code P1A88 Chevrolet at a dealership or auto repair shop?
- The repair time can vary based on the exact cause of the issue and the availability of parts, but it may take a few hours to a day to complete the repairs.
10. Are there any preventive measures I can take to avoid OBDII code P1A88 Chevrolet in the future?
- Regular maintenance of the vehicle's electrical system, including checking the 42-volt battery and charging system, can help prevent issues that may trigger this code.
Discuss the causes and fixes for P1A88 Chevrolet OBDII Code
Code P1A88 Chevrolet comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
