P1A96 Chevrolet Code - DC/DC Converter Stuck in 42-14 Volt Direction
Quick Answer
The purpose of the Accessory Power Module (APM), integral to the Starter/Generator Control Module (SGCM), is to control the amount and direction of energy flowing between the 42 V DC and 14 V DC buses via the APM, bi-directional 42 V DC to a 14 V DC converter. Common causes include Faulty Starter/Generator Control Module (SGCM), Starter/Generator Control Module (SGCM) harness is open or shorted, Starter/Generator Control Module (SGCM) 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
- P1A96 Chevrolet indicates DC/DC Converter Stuck in 42-14 Volt Direction.
- Common causes
- Common causes include Faulty Starter/Generator Control Module (SGCM), Starter/Generator Control Module (SGCM) harness is open or shorted, Starter/Generator Control Module (SGCM) 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 P1A96 Chevrolet Description
When the APM Power Conversion direction is set to a value of 42 V to 14 V, the energy will flow from the 42 V DC Bus to the 14 V DC Bus via the APM. When the Service Charge or jump start is requested, the energy will flow from the 14 V DC Bus to the 42 V DC Bus via the APM. When the APM Power Conversion direction is set to a value of Off, the APM will be turned OFF and not consume or transfer any power. When the APM Power Conversion direction is set to a value of Invalid, the energy will flow from the 42 V DC Bus to the 14 V DC Bus via the APM.
What are the Possible Causes of the DTC P1A96 Chevrolet?
- Faulty Starter/Generator Control Module (SGCM)
- Starter/Generator Control Module (SGCM) harness is open or shorted
- Starter/Generator Control Module (SGCM) circuit poor electrical connection
How to Fix the DTC P1A96 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 P1A96 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 P1A96 Chevrolet code?
Need more information on how to fix the P1A96 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1A96 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1A96 Chevrolet Code
1. What does the OBDII code P1A96 mean on a Chevrolet?
P1A96 indicates that the DC/DC converter in the vehicle is stuck in the 42-14 volt direction, which is related to the hybrid or electrical system.
2. What are the common symptoms of code P1A96 in a Chevrolet?
Symptoms may include a check engine light, warning messages on the dashboard, reduced hybrid system performance, or issues with charging the 12V battery.
3. What causes the P1A96 code to appear on a Chevrolet?
Common causes include a faulty DC/DC converter, wiring issues, poor electrical connections, or problems with the hybrid control module.
4. Can I drive my Chevrolet with the P1A96 code active?
It is not recommended as the vehicle may experience reduced performance, charging issues, or hybrid system malfunctions, which could lead to further damage.
5. How is the P1A96 code diagnosed on a Chevrolet?
A technician will use a scan tool to read the code, inspect the DC/DC converter and related wiring, and perform voltage and continuity tests to pinpoint the issue.
6. What repairs are needed to fix the P1A96 code?
Repairs may involve replacing the DC/DC converter, repairing or replacing damaged wiring, cleaning corroded connections, or reprogramming the hybrid control module.
7. How much does it cost to fix the P1A96 code on a Chevrolet?
Repair costs can vary widely depending on the cause, but replacing the DC/DC converter could cost $1,000 to $2,500, including parts and labor.
8. Can a dead 12V battery cause the P1A96 code?
A weak or dead 12V battery is unlikely to cause this code directly, but it can contribute to electrical issues that may trigger related problems.
9. What tools are needed to troubleshoot the P1A96 code?
Diagnostic tools such as an OBDII scanner, a multimeter, and possibly manufacturer-specific software are required to troubleshoot the issue.
10. Is the P1A96 code specific to Chevrolet vehicles?
While P1A96 can appear on other makes and models, its specific meaning and repair process may differ. It is most commonly associated with Chevrolet hybrid or electric vehicles.
Discuss the causes and fixes for P1A96 Chevrolet OBDII Code
Code P1A96 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.
