Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2023CHEROKEE TRAILHAWKREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMS(ACTIVE NOISE CANCELLATION MODULE (ANC) - ELECTRICAL DIAGNOSTICS)
2023 Jeep Cherokee Trailhawk
(Active Noise Cancellation Module (ANC) - Electrical Diagnostics)
2023 Jeep Cherokee TrailhawkSECTION (Active Noise Cancellation Module (ANC) - Electrical Diagnostics)
- Diagnostic Code Index
- DTC Troubleshooting
- B143B-11-ANC Microphone 1-Circuit Short To Ground
- B143B-12-ANC Microphone 1-Circuit Short To Battery
- B143B-13-ANC Microphone 1-Circuit Open
- B143B-2B-ANC Microphone 1-Wires Shorted Together
- B143C-11-ANC Microphone 2-Circuit Short To Ground
- B143C-12-ANC Microphone 2-Circuit Short To Battery
- B143C-13-ANC Microphone 2-Circuit Open
- B143C-2B-ANC Microphone 2-Wires Shorted Together
- B143E-11-ANC Microphone 3-Circuit Short To Ground
- B143E-12-ANC Microphone 3-Circuit Short To Battery
- B143E-13-ANC Microphone 3-Circuit Open
- B143E-2B-ANC Microphone 3-Wires Shorted Together
- B143F-11-ANC Microphone 4-Circuit Short To Ground
- B143F-12-ANC Microphone 4-Circuit Short To Battery
- B143F-13-ANC Microphone 4-Circuit Open
- B143F-2B-ANC Microphone 4-Wires Shorted Together
- B1460-11-Channel 1 Audio Speaker Output-Circuit Short To Ground
- B1460-12-Channel 1 Audio Speaker Output-Circuit Short To Battery
- B1460-13-Channel 1 Audio Speaker Output-Circuit Open
- B1460-92-Channel 1 Audio Speaker Output-Performance Or Incorrect Operation
- B1464-00-Channel 1 Audio Speaker Output Circuit Shorted Together
- B1465-11-Channel 2 Audio Speaker Output-Circuit Short To Ground
- B1465-12-Channel 2 Audio Speaker Output-Circuit Short To Battery
- B1465-13-Channel 2 Audio Speaker Output-Circuit Open
- B1465-92-Channel 2 Audio Speaker Output-Performance Or Incorrect Operation
- B1469-00-Channel 2 Audio Speaker Output Circuit Shorted Together
- B146A-11-Channel 3 Audio Speaker Output-Circuit Short To Ground
- B146A-12-Channel 3 Audio Speaker Output-Circuit Short To Battery
- B146A-13-Channel 3 Audio Speaker Output-Circuit Open
- B146A-92-Channel 3 Audio Speaker Output-Performance Or Incorrect Operation
- B146E-00-Channel 3 Audio Speaker Output Circuit Shorted Together
- B146F-11-Channel 4 Audio Speaker Output-Circuit Short To Ground
- B146F-12-Channel 4 Audio Speaker Output-Circuit Short To Battery
- B146F-13-Channel 4 Audio Speaker Output-Circuit Open
- B146F-92-Channel 4 Audio Speaker Output-Performance Or Incorrect Operation
- B1473-00-Channel 4 Audio Speaker Output Circuit Shorted Together
- B154F-00-Lost Crankshaft Pulse Signal
- B2199-16-Battery Voltage-Circuit Voltage Below Threshold
- B2199-17-Battery Voltage-Circuit Voltage Above Threshold
- B21DD-84-System Voltage-Signal Below Allowable Range
- B21DD-85-System Voltage-Signal Above Allowable Range
- B2201-00-Calibration Mismatch
- B222C-00-Vehicle Configuration Not Programmed
- B223B-00-Vehicle Configuration Mismatch
- B22A9-00-Ecu Internal Performance
- U0010-00-Can Interior Bus
- U0011-00-Can Interior Bus Off Performance
- U0140-00-Lost Communication With Body Control Module
- U0184-00-Lost Communication With Radio
- U0199-00-Lost Communication With Driver Door Module
- U0200-00-Lost Communication With Passenger Door Module
- U0201-00-Lost Communication With Left Rear Door Module
- U0202-00-Lost Communication With Right Rear Door Module
- U0422-00-Invalid Data Received From Body Control Module
- U0485-00-Implausible Data Received From Radio
- U049A-00-Implausible Data Received From Driver Door Module
- U0501-00-Implausible Data Received From Passenger Door Module
- U0506-00-Implausible Data Received From Left Rear Door Module
- U050C-00-Implausible Data Received From Right Rear Door Module
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.