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U1121 Fault Code


You can find information about the U1121 fault code on this page.

U1121 Short Description

"SCP (J1850) Invalid or Missing Data for Primary Id"

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Commonly Affects

Error Icon P0010

Intake Camshaft Position Actuator Circuit / Open (Bank 1)

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Error Icon P0011

Intake Camshaft Position Timing - Over-Advanced (Bank 1)

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Error Icon P0012

Intake Camshaft Position Timing - Over-Retarded (Bank 1)

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Error Icon P0013

Exhaust Camshaft Position Actuator Circuit / Open (Bank 1)

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Error Icon P0014

Exhaust Camshaft Position Timing - Over-Advanced (Bank 1)

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Error Icon P0016

Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A

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