OBDII Code List

P1781 BUICK - Engine Torque Signal Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1781 Buick Description

With the key on or engine running, the Powertrain Control Module (PCM) detects that the engine torque signal was below the lower or over the upper limit, or that the torque signal was unreliable, conditions met tor one second.
OBDII Code P1781 Buick - Engine Torque Signal Circuit -

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P1781 BUICK Comments

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