2022-2023 Hyundai Ioniq 5 HVAC DTC B169588 Repair
Hyundai Technical Service Bulletin 23-HA-002H details inspection and repair procedures for inoperative heater or air conditioning in 2022-2023 Ioniq 5 vehicles, addressing Diagnostic Trouble Codes B169588, B160C88, and B183088.
Sarah Mitchell2022 Hyundai Ioniq 5
Also applies to
- Hyundai Ioniq 5
- 2023
Symptoms
Owners of 2022-2023 Hyundai Ioniq 5 (NE1) vehicles may experience an inoperative heater or air conditioning system. This condition is often accompanied by the illumination of the "PTC Warning light is ON" on the instrument cluster. If your Ioniq 5 HVAC B169588 fault is present, the vehicle's heating or cooling capabilities may be compromised.
Fault Codes / DTCs
This issue is typically indicated by one or more of the following Diagnostic Trouble Codes (DTCs) stored in the vehicle's HVAC system:
| Code | Description |
|---|---|
| B169588 | HVAC System Fault |
| B160C88 | HVAC System Fault |
| B183088 | HVAC System Fault |
Diagnosis / Trigger Conditions
Diagnosis for the inoperative heater or air conditioning system begins when a 2022-2023 Hyundai Ioniq 5 presents with the "PTC Warning light is ON" message. Technicians will perform a DTC check to identify the specific fault codes present. The repair procedure varies depending on the combination of DTCs found, as detailed in TSB 23-HA-002H.
Important Warnings
This TSB for the Hyundai Ioniq 5 HVAC B169588 issue can only be performed by IONIQ certified Hyundai dealerships. This is due to the specialized nature of the high-voltage system components involved in the repair.
Repair Procedure Summary
Hyundai Technical Service Bulletin 23-HA-002H outlines a detailed inspection and repair process for the HVAC system, focusing on specific Diagnostic Trouble Codes (DTCs). All repair scenarios necessitate a "High voltage shut-off" as a primary safety measure.
- Case 1 (DTC B169588 & B160C88): If both B169588 and B160C88 are detected, the repair involves replacing the PTC Heater and the Heater Control Unit. The labor operation code for this is 97191F05, with an estimated time of 1.3 M/H.
- Case 2 (DTC B160C88 & B183088): When DTCs B160C88 and B183088 are present, the PTC Heater and the High Voltage Fuse require replacement. For 2WD vehicles, the operation code is 97191F13 (2.0 M/H), and for 4WD vehicles, it is 97191F14 (1.8 M/H).
- Case 3 (DTC B160C88 only): If only DTC B160C88 is found, the repair involves replacing the PTC Heater and conducting an additional DTC inspection. This procedure is covered by OP Code 97191F10, with an estimated time of 1.2 M/H. The causal part for this operation is 97191-GI001.
- Case 4 (DTC B183088 only): When only DTC B183088 is detected, the repair includes replacing the PTC Heater, the High Voltage Fuse, and an additional DTC inspection. For 4WD vehicles, the OP Code is 97191F11 (2.3 M/H), and for 2WD vehicles, it is 97191F12 (2.1 M/H).
Technicians must refer to the Shop Manual for specific service procedures, including "High voltage shut-off procedures," "Heater Control Unit Replacement," "PTC Heater Replacement," and "High Voltage Fuse Replacement." For 2WD vehicles, accessing the high voltage junction box requires additional steps, including engine room cover removal and disconnecting the battery. The junction box to replace the High Voltage Fuse is located underneath the battery and battery tray.
Required Parts
The following parts may be required for the repair of the Hyundai Ioniq 5 HVAC B169588 and related issues. Note that part numbers for the Heater Control Unit vary by model year.
| Part Name | Part Number (2022MY) | Part Number (2023MY) | Notes | | :------------------ | :------------------- | :------------------- | 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Frequently Asked Questions
- What are the symptoms of the Hyundai Ioniq 5 HVAC issue?
- The primary symptoms include an inoperative heater or air conditioning system and the illumination of the "PTC Warning light is ON" on the instrument cluster in 2022-2023 Hyundai Ioniq 5 vehicles.
- Which DTCs are associated with the inoperative heater or air conditioning in the Ioniq 5?
- The Diagnostic Trouble Codes (DTCs) linked to this issue are B169588, B160C88, and B183088, as detailed in Hyundai TSB 23-HA-002H.
- What is the repair for DTC B169588 in the Hyundai Ioniq 5?
- For DTC B169588 (often with B160C88), the repair involves performing a high voltage shut-off, then replacing both the PTC Heater and the Heater Control Unit. Specific procedures vary based on the exact combination of DTCs present.
- Can I perform the repair for the Ioniq 5 HVAC B169588 issue myself?
- No, Hyundai Technical Service Bulletin 23-HA-002H explicitly states that this repair can only be performed by IONIQ certified Hyundai dealerships due to the specialized nature of the high-voltage system components involved.
- What parts might be needed for this HVAC repair?
- Depending on the specific DTCs, the repair may require replacement of the Heater Control Unit (part numbers vary by model year, e.g., 97255-GI110 for 2022MY or 97255-GI112 for 2023MY), the PTC Heater (97191-G1001FFF), or the High Voltage Fuse (18790-00722).
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