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NHTSA ID Number: 10193463
Manufacturer Communication Number: PIC6436
Summary
This Preliminary information communicates to technician’s if they have a low mileage vehicle with an Air Conditioning inoperative condition with a P0534 to inspect the Air Compressor for leak and the possible area of the leak. Once verified of the leak in the compressor area to replace the compressor for the repair.
1 Affected Product
Vehicle
Condition
No A/C, blows warm air when set to cold, Setting P0534
Condition typically happens under 500 miles. Before adding refrigerant / dye, put car on hoist and remove aero panel from front cradle.
Inspect the ACCM (Air Conditioning Compressor Module or sometimes called Air Conditioning and Drive Motor Battery Cooling Compressor), view the HV connector area for possible POE oil dripping off connector and the case bolt just above compressor.
Cause
Defective ACCM K118 Electric ACCM internal seal, Oil visually leaking above HV connector at case half, see image below.
SEOCONTENT-START
Bulletin No.: PIC6436
Published date: 04/21/2021
Preliminary Information
PIC6436 No A/C – A/C Blows Warm Air – DTC P0534
Models
Brand: Chevrolet
Model:
2021
Model Years:
VIN:
from to
All All
All
All
Transmissions:
Involved Region or Country
North America
Condition
Cause
No A/C, blows warm air when set to cold, Setting P0534
Condition typically happens under 500 miles. Before adding refrigerant / dye, put car on hoist and
remove aero panel from front cradle.
Cooling Compressor), view the HV connector area for possible POE oil dripping off connector and the
case bolt just above compressor.
Refer to pictures below for existing oil leak examples.
Defective ACCM K118 Electric ACCM internal seal, Oil visually leaking above HV connector at case
half, see image below.
Correction:
If this Concern is found continue to follow this document, if no leak is found continue with GSI
diagnostics.
Replace K118 Electric ACCM GSI (Global Service Information, formally eSI) Document ID: 4530406
Warranty Information
For vehicles repaired under the EV coverage, use the following labor operation. Reference the
Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information.
Labor Operation Description
Labor Time
4417140 ACCM replacement
Use Published Labor Time
Version History
Version 1
Modified 04/21/2021 – Created on.
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC6436
Published date: 04/21/2021
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- One application of oil and fuel system UV leak detection dye
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- package height : 15.24 cm
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- Product type : AUTO OIL
- Country of manufacture: United States
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- country of origin : united states
- part number: p46-8d
- Fit type: Universal Fit
Last update on 2025-04-17 / Affiliate links / Images from Amazon Product Advertising API
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