P1251
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE lights up straight away.
Throttle control in limp-home mode.
Incorrect idle speed.
Cruise control inoperative.
Throttle Motor. Full PWM in Closing Direction. NOTE. May set if Mechanism is not Reseted.
Fault symptoms
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CHECK ENGINE lights up straight away.
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Throttle control in limp-home mode.
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Cruise control inoperative.
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Conditions
The following conditions apply for this DTC:
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Throttle motor is receiving 100% PWM in closing direction.
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Or:
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Less than 5 seconds since engine was started.
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Throttle motor is receiving 100% PWM in closing direction.
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Diagnostic help
A mechanical fault is preventing the throttle from closing.
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Important
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The diagnostic trouble code can be generated if the throttle mechanism has not been properly reset after activation of the limp-home solenoid.
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Check the wiring
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Note
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Jiggle the leads and in-line connectors at various points and in different directions to detect any intermittent breaks or short circuits in the wiring. Observe the multimeter, test lamp or diagnostic tool while doing this.
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