1112

Possible Causes

• •Engine rpm exceeds the specified speed settings installed in the calibration (greater than 2325 rpm)
• •Incorrect mechanical operation of the throttle
• •Incorrect service part number (calibration) on the ECM
• •Large manifold vacuum leaks

Suggested Actions

1. 1Check for other stored DTC codes before using the DTC chart for this code set
2. 2Clear DTC information from the ECM using the Diagnostic Scan Tool (DST)
3. 3Correct mechanical operation of the throttle
4. 4Correct the manifold vacuum leak
5. 5Repair any existing codes starting with the lowest numerical code first
6. 6Replace ECM with correct service part number

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