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Slow Charging & Unexpected Stops on 2023 ZDX Type S

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Mike T. · rep 0 · May 26, 3:38 AM · 1 replies · solved · Question

Vehicle: 2023 Acura ZDX Type S

I've got a 2023 Acura ZDX Type S, and lately, I've been having trouble with charging. Whether I'm using a Level 2 charger at home or a public DC fast charger, the charging speed seems inconsistent, and sometimes it just stops altogether without warning. This happens with different chargers, so I don't think it's just my home setup.

I've checked my charging cables, and they seem fine, no visible damage. This is making range anxiety a real problem, especially on longer trips. Has anyone else encountered this with their 2023 ZDX Type S, or any ZDX for that matter?

What could be causing these charging interruptions and slow speeds? It's really impacting my daily use of the vehicle.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 26, 3:38 AM

0

ClearTheCode admin answer:

Inconsistent charging speeds and unexpected stops on your 2023 Acura ZDX Type S can be frustrating and point to several potential issues within the EV charging system. Here’s what to consider:

  1. Troubleshooting Steps:

    • Try Different Chargers: You've already done this, which helps rule out specific charger faults.
    • Check Vehicle Settings: Ensure there are no charging schedules or limits set within your ZDX's infotainment system that might be causing the interruptions or slower speeds.
    • Inspect Ports: Visually inspect both the vehicle's charging port and your charging cables for any debris, damage, or corrosion that could impede a proper connection.
    • Monitor Ambient Temperature: Extreme hot or cold weather can affect charging performance and trigger battery management system (BMS) protections that slow or stop charging.

  2. Potential Causes:

    • Charging Cable Fault: Even if visually fine, an internal fault in a charging cable can cause intermittent issues. Try borrowing a known good cable if possible.
    • Onboard Charger (OBC) Issue: The vehicle's onboard charger converts AC to DC for the battery. A fault here could cause slow charging or failures. This is more likely if issues occur consistently across different AC (Level 2) chargers.
    • Battery Management System (BMS) Fault: The BMS monitors battery health and temperature. If it detects an issue (e.g., cell imbalance, overheating), it can limit or stop charging to protect the battery. This can sometimes trigger diagnostic trouble codes (DTCs) like P0D2F (Onboard Charger System Performance) or P0AA6 (Hybrid Battery Voltage System Isolation Fault), though these are general and require further diagnosis.
    • DC Fast Charging (DCFC) Station Issues: While you've tried multiple, DCFC stations can have varying reliability. If the problem is more prevalent with DCFC, it could be a compatibility or station-specific issue.

  3. When to See a Shop:

    • Given that the problem persists across different charging types and stations, it's highly recommended to schedule a service appointment with your Acura dealership. They have specialized diagnostic equipment to read EV-specific fault codes and perform comprehensive checks on the onboard charger, high-voltage battery system, and BMS. Early diagnosis can prevent further issues and ensure your ZDX charges reliably.
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