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P1689 Control Unit Faulty
Has anyone seen a P1689 error code? My friend has a 97 Boxster with CEL, so we connected to my Durametric and here is what displayed:
P1126 O2 Sensor (4-6)
P1124 O2 Sensor (1-3)
P0102 Mass Air Flow Sensor Short Circuit/Open Circuit
P1689 Control Unit Faulty
The motor is running great with 60,000 miles on the clock. I did a search on this forum with this error code but not much found for this alarm.
Thanks
Edit... I will add that the voltage on the pre-catalytic converter O2 sensors are flat on both banks (0 volts)
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Jäger
300K Mile Club
Last edited by Jager; 04-09-2014 at 04:58 PM.
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