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P0354 on Tesla: Symptoms, Causes & Fix

Ignition Coil D Primary/Secondary Circuit Malfunction

Official technical diagnostic wire for fault code P0354 specifically affecting Tesla vehicles (Model 3, Model Y, Model S, Model X, Cybertruck).

Sensor Voltage Ref
0.1V – 5.0V Ref
Tesla Factory Standard
CAN Bus Speed
500 kbps CAN-FD
ISO 15765-4 Diagnostic Bus
Drivability Status
Not Recommended
Critical urgency level
Est. Repair Cost
$100 - $350 (DIY: $30 - $90)
Parts & Labor DIY
Model-Specific Diagnostic Wires

Select Your Tesla Model for P0354:

5 Models Available

1. Common Symptoms on Tesla Vehicles

When Tesla Engine Control Modules (ECM) trigger fault code P0354, drivers typically report:

Flashing CEL on Tesla Powertrains
Rough running on Tesla Powertrains
Loss of power on Tesla Powertrains
P0304 code on Tesla Powertrains

2. Root Causes on Tesla Engines

Historical diagnostic claims across Tesla engines point to the following failure distribution:

55%
Dead Cylinder 4 ignition coil (Tesla OEM Part)
25%
Wiring damage (Tesla OEM Part)
12%
Corroded connector (Tesla OEM Part)

3. Step-by-Step Fix Protocol for Tesla

01
Test Coil with Swap Method

Swap Coil 4 to Cylinder 1. on Tesla engines.

Required Tool: 10mm Socket
02
Replace Coil 4

Install new OEM coil pack. on Tesla engines.

Required Tool: Socket Set
03
Clear DTCs

Clear memory and road test. on Tesla engines.

Required Tool: OBD-II Scanner
Recommended Parts & Testing Tools

Equipment for Diagnosing Tesla (P0354)

Prime Fast Delivery & Verified Fitment
OEM Ignition Component

Direct-Fit Laser Iridium Spark Plugs (Set of 4/6)

4.8 / 5.0 (Top Rated)

Pre-gapped iridium spark plugs engineered to restore smooth combustion on Tesla.

$36 – $68 Prime
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Ignition Service Tool

Magnetic Swivel Spark Plug Socket Set

4.8 / 5.0 (Amazon Choice)

360-degree magnetic swivel socket prevents ceramic plug cracks inside deep engine spark wells.

$16.99 Prime
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Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

Compare OEM & Aftermarket Replacement Sensors for TeslaVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
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4. Tesla P0354 Frequently Asked Questions

What does code P0354 mean on a Tesla?

On Tesla vehicles, P0354 indicates that the Engine Control Module (ECM) detected ignition coil d primary/secondary circuit malfunction. This typically points to Dead Cylinder 4 ignition coil or Wiring damage.

Can I continue driving my Tesla with code P0354?

No. Cylinder 4 ignition coil has failed. Because this code carries a Critical severity rating on Tesla powertrains, we recommend scanning live data values promptly to prevent secondary damage.

How much does it cost to fix code P0354 on a Tesla?

Estimated DIY parts cost ranges from $100 - $350 (DIY: $30 - $90), while professional shop repairs at an authorized Tesla dealership or independent specialist typically range from $180 to $380 including diagnostic labor.