P1xxx
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Chevy Code car problem P1780
Engine control module (ECM), controller area network (CAN) data bus -lost communication with transmission control module (TCM)
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Chevy Code car problem P1779
Engine control module (ECM), torque reduction signal via controller area network (CAN) data bus -out of range
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Chevy Code car problem P1740
Cruise control system, overdrive disable signal -voltage low
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Chevy Code car problem P1719
Transmission control module (TCM) -detects excessive variation between transmission input/ output shaft speed sensors
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Chevy Code car problem P1700
Transmission control module (TCM) -MIL request circuit malfunction
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