ADSP_W028

Code

TESLA Tesla Alert

Eth Tcp Err

Brand: TESLA

Type: Tesla Alert

Views: UK: 28 EN: 36 RU: 27

AI status

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Page language: EN

Physical layer faults on the vehicle Ethernet link (broken/crimped cable, damaged connector, poor shield/grounding)
Intermittent link (link flapping) due to connector or PHY issues
Excessive packet loss, latency or jitter on the Ethernet segment
Incorrect network configuration (IP conflict, incorrect netmask, wrong gateway, port/blocking)
Firmware/software bug in ADSP or communicating module causing TCP socket errors
Overloaded CPU or memory on the ADSP or peer module leading to dropped TCP sessions

Loss or intermittent operation of infotainment, audio DSP, or features relying on ADSP
Logged TCP/ethernet errors or repeated ADSP reboots in vehicle logs
Slow responsiveness or timeouts for functions that require module communication
Multiple modules reporting communication-related warnings or degraded service

Read ADSP and gateway network logs for TCP error details (retransmissions, socket errno, timestamps)
Inspect physical Ethernet connectors and cables for damage, corrosion or poor seating
Verify link LED status on module connectors and any intermediate switch/hub
Check module firmware versions and recent updates; compare to known-good release notes
Scan for CRC/frame/PHY error counters on ADSP and switch (Rx/Tx errors, collisions, FCS errors)
Check vehicle power/ground at ADSP for stable voltages during operation

Pull ADSP and network/gateway logs; note exact TCP error messages, timestamps and peer IP/port.
Reproduce fault if possible (operate affected feature while logging) to capture live packet traces.
Inspect and reseat all Ethernet connectors and shield terminations between ADSP and upstream switch/module.
Swap or replace suspect patch cable with known-good automotive-grade Ethernet cable.
Check and record PHY/link LED behavior while exercising the feature; look for link drops or renegotiation.
Check for and install any ADSP or gateway firmware updates addressing network stability; retest after update.
If available, temporarily swap ADSP or the upstream communication module with a known-good unit to isolate hardware fault.
Perform a network trace (e.g., PCAP) to identify TCP retransmissions, RSTs, or malformed frames; analyze for IP conflicts or storms.
Measure ADSP supply voltages and ground continuity while reproducing the error to rule out power-related issues.
If physical and configuration checks pass, escalate to manufacturer diagnostics with captured logs, packet traces, and timestamps.

⚠️ Status

Ethernet TCP communication errors detected by ADSP: TCP retransmissions, socket failures or connection resets observed on vehicle Ethernet network.

🟡 Repair difficulty: Medium

⏱️ Diagnostic time: 1.0-3.0 hours

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