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Car In Limp Mode - Power Light Flashes Code 16?

sbyder

By sbyder,
in General Maintenance

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sbyder

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The car was holding 3rd gear (limp mode) then out of the blue one day i took it for a drive and it worked fine changing gears etc... Then the next day and ever since its stuck in limp mode again.

Without even doing a self diagnostic, when i hit ~5km/h the power light flashes once long then flashes quickly 16 times.

I've searched and found it is:

Motor throttle switch signal circuit - Abnormal correlation is detected between input voltages from the throttle motor sensor and from the motor throttle switch for a predermined time.

I've also had a scanner on and cleared the code 003b: Throttle controller COMM.

Which returned as soon as the engine was turned off and back on again.

I have converted a vehicle with a VQ30DET with an electric throttle to an RB25DET NEO with a normal cable throttle with no traction or other controls near the throttle except the TPS.

I would assume that since the ECU, engine, tranny and engine bay loom swapped over from the donor half cut, the ECU would not need a throttle control motor? Its very strange that it worked once, but not again.

Anyone have any ideas on how to bypass the code or what the cause maybe?

Any help is muchly appreciated.

Ben

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