Direction Plus
D-Max / Colorado 4JJ1 2008-2012 - TR+ Throttle Controller - TR0T79DP
D-Max / Colorado 4JJ1 2008-2012 - TR+ Throttle Controller - TR0T79DP
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TR0T79DP | Isuzu D-Max and Holden Colorado | 4JJ1 3.0L | 2008 to 2012
Instant throttle response. Full control.
The 4JJ1 D-Max and RC Colorado have a lazy pedal off the line. The Direction Plus TR+ Throttle Controller (TR0T79DP) removes the factory throttle delay and sharpens pedal response, which you notice most towing, off-road and in traffic. Plugs into the factory connectors in under five minutes. No cutting, no wiring.
Vehicle Fitment
| Vehicle | Engine | Years |
|---|---|---|
| Isuzu D-Max | 4JJ1TC 3.0L 4cyl diesel | 2008 to 2012 |
| Holden Colorado (RC) | 4JJ1 3.0L 4cyl diesel | 2008 to 2012 |
Check before you order: Direction Plus's main fitment table lists TR0T79DP for the D-Max 4JJ1TC 2008 to 2012 only. The Holden Colorado 2008 to 2012 4JJ1 is listed in its product description and Additional Information table but not in the main table. Both D-Max ranges include 2012, so 2012 owners should send us a VIN first.
Not this part number: D-Max 4JJ1TCX (2012 to 2020), D-Max 4JJ3TCX (2021 on) and every MU-X use TR0830DP. Colorado RG / Colorado 7 / Trailblazer LWH 2.8L (2012 to 2020) uses TR0510DP.
Fitment per Direction Plus as of October 2026. Check the fitment guide or send us your VIN if unsure.
Key Features
- Removes throttle lag by adjusting the pedal signal before it reaches the ECU. The response matches the pedal you pressed.
- 6 driving modes, each with 9 sensitivity levels
- CRAWL mode: precise, low-speed control for towing and technical tracks
- BEAST mode: aggressive response for on-road punch and overtaking
- Additional daily and economy profiles
- Dash-mounted controller for on-the-fly mode changes
Worth knowing: a throttle controller changes how the pedal feels, not how much power the engine makes. What it fixes is the delay. Start mid-level and fine-tune from there.
Fitting Notes
- Plug and play on the factory accelerator pedal connectors. Under 5 minutes.
- No cutting, splicing or ECU flashing
- Fully reversible: unplug it and the vehicle is back to stock
- Safe to run alongside a remap or tune
Quick steps:
- Unplug the accelerator pedal connector.
- Insert the TR+ inline patch harness.
- Mount the controller on the dash and select your mode.
Shipping and Payment
- Free Express Shipping Australia-Wide, tracking sent as soon as it is on its way
- Buy Now, Pay Later: Afterpay, Humm, Klarna and Zip
- Returns and warranty: see our refund policy
Frequently Asked Questions
Q: Does it increase peak power?
A: No. It improves throttle response only. Engine output is unchanged. If you want more power, that is a tune and hardware conversation.
Q: Will it affect my ECU or tune?
A: No ECU flashing and no permanent changes. It is an inline, plug-in controller using the factory connectors, fully reversible and safe to run alongside a remap or tune.
Q: Is it good for towing or off-road use?
A: Yes. CRAWL mode gives fine, low-speed pedal control under load.
Q: Does it suit the 2012 on D-Max or MU-X?
A: No. Direction Plus lists D-Max 4JJ1TCX (2012 to 2020), D-Max 4JJ3TCX (2021 on) and MU-X under TR0830DP, a different controller.
Take Full Control of Your Throttle
Direction Plus TR+ TR0T79DP for the 4JJ1 D-Max and Colorado, 2008 to 2012. Six modes, nine levels each, plug and play. Free express shipping Australia-wide.
Disclaimer: Common Rail Cowboys is not affiliated with Isuzu, Holden or Direction Plus. Direction Plus and TR+ are trademarks of their respective owner. Installation should be carried out by a competent person. Confirming fitment against your vehicle, engine code and build date is the buyer's responsibility. Aftermarket modifications may affect your vehicle warranty and compliance.
