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Ignition System

2003 Toyota Tacoma Ignition Coil, Spark Plug, Engine Control Module

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2003 Toyota Tacoma
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2 diagrams found for the vehicle you selected.Select your vehicle options to narrow down results.
  • 1.Electrical - Ignition System (2.4L,2.7L,2001-04)
    2003 Toyota Tacoma Ignition System Diagram 1 - Thumbnail
  • 2.Electrical - Ignition System (3.4L)
    2003 Toyota Tacoma Ignition System Diagram 2 - Thumbnail
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Part No. & Part Description
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Part Description
  • 2 Toyota 89661-04851 ECM
    89661-04851
    ECM
    Computer Engine Control
    • Part Notes: 2.4L, 2001-04, 2.7L
    MSRP: $1726.47 Your Price: $1178.06
    1
    Add To Cart
  • 2 Toyota 89661-04881 ECM
    89661-04881
    ECM
    Computer Engine Control
    • Part Notes: 2.4L, 2001-04, 2.7L
  • 5 Toyota 89661-04890 ECM
    89661-04890
    ECM
    Computer Engine Control
    • Part Notes: 3.4L, Extended Cab, Manual Transmission
    MSRP: $1954.75 Your Price: $1333.83
    1
    Add To Cart
  • 5 Toyota 89666-04031-84 ECM
    89666-04031-84
    ECM
    Reman Ecu
    • Part Notes: 3.4L, Extended Cab, Auto Transmission
  • 5 Toyota 89667-35120 ECM Side Bracket
    89667-35120
    ECM Side Bracket
    Bracket, Engine Control Computer
    • Part Notes: 2.4L, 2001-04, 2.7L
    • Location: Driver Side

OEM 2003 Toyota Tacoma Parts for Ignition System

Genuine 2003 Toyota Tacoma parts are produced by Toyota with the official design and standards, thus they ensure a high quality throughout the production process. OEM parts are the ideal choice for people looking for new Ignition System parts. With our competitive prices, we offer 2003 Toyota Tacoma Ignition Coil, Spark Plug, Engine Control Module that fit tight budgets, while still including the manufacturer warranties, a hassle-free returns policy and quick shipping options.

Engine Control Module Installation and Repair Tips for 2003 Toyota Tacoma

  • Q: What are the guidelines and requirements for reprogramming the Engine Control Module on 2003 Toyota Tacoma?
    A: Starting in 2001, Toyota/Scion and Lexus vehicles feature flash reprogrammable Powertrain Control Modules (PCM). Reprogramming should follow Technical Service Bulletins. Use validated tools like the Toyota/Lexus scantool or J2534 interfaces. The process requires specific software and equipment, and must be uninterrupted to avoid damaging the vehicle controller.
See All Installation and Repair Tips