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Home >> Jeep >> 2007 >> Commander Base, 4.7 P, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTCS P1602 To P2123 >> P2112-Electronic Throttle Control - Unable To Open >> Possible Causes
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Possible Causes

Possible Causes 
THROTTLE PLATE STUCK AT OR BELOW LIMP HOME POSITION
(K126) ETC NEGATIVE CIRCUIT SHORTED TO VOLTAGE
(K124) ETC POSITIVE CIRCUIT OPEN
(K126) ETC NEGATIVE CIRCUIT OPEN
(K124) ETC POSITIVE CIRCUIT SHORTED TO GROUND
(K126) ETC NEGATIVE CIRCUIT SHORTED TO GROUND
PCM

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

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