P0606 code after base tune?
Thread Starter
Staging Lane
Joined: Jan 2014
Posts: 61
Likes: 2
P0606 code after base tune? I took my gen4 l96 6.0 nova swap to the tuner last week and now getting p0606 "control module internal performance" code. At first it set that code plus p0151 bank 2 low voltage o2 and the p0606. Freezeframe on that showed 0 volts on the o2. I swapped o2's from bank to bank, no more codes on that yet.
The p0606 is intermittent as sometimes will set at key on and sometimes not. The symptoms is that the throttle goes dead and engine idles only after about 70% with load, going up hills,freeway on ramps for example.
I did get the engine running before the base tune and it never set that code. At least not a dtc. I didn't check the freeze frame at that time.
Engine is mostly stock other than Lq9 flattop pistons, cam, valve train, vvt delete, e38 computer, BP standalone harness, t42tcm with 4l60e, headers.
Any ideas would be helpful. I haven't contacted the tuner yet, but I will.
thanks
The p0606 is intermittent as sometimes will set at key on and sometimes not. The symptoms is that the throttle goes dead and engine idles only after about 70% with load, going up hills,freeway on ramps for example.
I did get the engine running before the base tune and it never set that code. At least not a dtc. I didn't check the freeze frame at that time.
Engine is mostly stock other than Lq9 flattop pistons, cam, valve train, vvt delete, e38 computer, BP standalone harness, t42tcm with 4l60e, headers.
Any ideas would be helpful. I haven't contacted the tuner yet, but I will.
thanks
The 606 code is usually the ECM death code. Its from cross flashing the wrong OS in the ECM usually. I have seen a few times when the fueling was just that far off it throws that code. We have had to replace 90% of the ecm's when a swap comes in with that code. We have seen people try to delete the 606 code in the ecm, it will just go to limp mode or the throttle wont correctly and not throw a code.
The 606 code is usually the ECM death code. Its from cross flashing the wrong OS in the ECM usually. I have seen a few times when the fueling was just that far off it throws that code. We have had to replace 90% of the ecm's when a swap comes in with that code. We have seen people try to delete the 606 code in the ecm, it will just go to limp mode or the throttle wont correctly and not throw a code.
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