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2025 Honda Prologue TSBs

15 Technical Service Bulletins across 5 categories

Engine

5 bulletins
11037715

Owner Notification Letter - The cabin may not be effectively cooled by the HVAC blower motor when the key fob is used to...

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remotely lower the windows.

11035786

Service Bulletin - The cabin may not be effectively cooled by the HVAC blower motor when the key fob is used to remotely...

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lower the windows.

11034198

Service Bulletin - The cabin may not be effectively cooled by the HVAC blower motor when the key fob is used to remotely...

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lower the windows.

11034194

Dealer Message - Due to software programming issues, the cabin may not be effectively cooled by the HVAC blower motor...

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when the key fob is used to remotely lower the windows.

11030197

Service Bulletin - A whistle noise may be present within the HVAC system when switching from cabin heat to full cooling (A/C on).

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While driving, the heat may begin to blow cold air and the blower speed may drop intermittently due to possible faulty air conditioner condenser check valve or improperly formed A/C line at the mating surface of the condenser check valve.

Electrical

5 bulletins
11031286

Service Bulletin - Insufficient silicone application to the DC-DC converter can result in excessive heat exposure during...

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charging, leading to overheating of the Power Distribution Control Module (PDCM) and possibly rendering the charging system inoperative.

11031281

Dealer Message - During the manufacturing process, insufficient silicone was applied to the DC-DC converter which may...

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lead to excessive heat exposure, causing the Power Distribution Control Module (PDCM) to overheat and potentially rendering the system inoperative.

11029284

Service Bulletin - A whistle noise may be present within the HVAC system when switching from cabin heat to full cooling (A/C on).

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While driving, the heat may begin to blow cold air and the blower speed may drop intermittently. Possible DTC codes P0530 (Air Conditioning Refrigerant Pressure Sensor Circuit) and P0534 (Air Conditioning Refrigerant Charge Low) may be set.

11024892

Service Bulletin - Vehicle-Wide Programming (VWP), also known as SPS3-VWP, is a feature within Techline Connect (TLC) to...

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update all applicable control module software at the same time. When initiated, all applicable updates are done in parallel, instead of the conventional individual control module update. Customers may have complaints or concerns that may get resolved by doing this software update.

11019250

Service Bulletin - A Malfunction Indicator Lamp (MIL) may illuminate, or a Service High Voltage message may appear.

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Additionally, the 12-volt battery may intermittently or persistently discharge due to an internal Battery Energy Control Module (BECM) calibration anomaly causing the setting of specific DTCs related to battery performance and communication.

HVAC & Climate

2 bulletins
11038471

Service Bulletin - Some vehicles may experience a lack of HVAC heating output with vehicle in ON mode.

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This condition typically occurs at key-on when the ambient temperature is 77F or below and may persist for approximately 15 minutes or longer. During diagnosis, technicians may find DTC P0534 (A/C Refrigerant Charge Low) stored.

11030079

Service Bulletin - A whistle noise may be present within the HVAC system when switching from cabin heat to full cooling (A/C on).

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While driving, the heat may begin to blow cold air and the blower speed may drop intermittently.

Other

2 bulletins
11031492

Dealer Message -American Honda is requesting parts in support of a quality investigation related to Rear View Camera part number 86583111.

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All dealers that have inventory of Rear View Camera part number 86583111 are asked to inspect current inventory and return parts meeting the described return criteria to American Honda.

11026973

Tech Line Summary - Customers may complain of a clicking or ratcheting type noise when turning.

Software & Calibration

1 bulletin
11021755

Service Bulletin - Customers are experiencing issues with OnStar and HondaLink due to the software within the telematics...

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control unit needing a software update.