What are codes p1391 and p1765

Asked by Mar 07, 2017 at 09:18 PM about the 1997 Dodge Ram 1500 2 Dr ST 4WD Extended Cab SB

Question type: Maintenance & Repair

1 Answer

73,085

P1391 DODGE - CMP or CKP Signal Intermittent Condition....Possible causes; Faulty Crankshaft Position Sensor (CKP), Crankshaft Position Sensor (CKP) harness is open or shorted, Crankshaft Position Sensor (CKP) circuit poor electrical connection, Timing belt or chain stretched or jumped, Faulty Camshaft Position (CMP), Sensor Camshaft Position (CMP) Sensor harness is open or shorted, Camshaft Position (CMP) Sensor circuit poor electrical connection......P1765 DODGE - Transmission 12V Supply Relay Control Conditions...Possible causes; Faulty Transmission Control Relay, Transmission Control Relay harness is open or shorted, Transmission Control Relay circuit poor electrical connection.

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