what are code numbers p-0601 and p-1684

Asked by Dec 31, 2015 at 12:28 PM about the 2001 Chrysler PT Cruiser Limited

Question type: Maintenance & Repair

check engine light is on did the 3x on /off and got the codes P-0601 & P-1684

2 Answers

73,905

p1684 trouble code:>Possible causes - Battery was recently disconnected - Transmission Control Module (TCM) was replaced or disconnected - Faulty Transmission Control Module (TCM) - Transmission Control Module (TCM) harness is open or shorted - Transmission Control Module (TCM) circuit poor electrical connection What does this mean? What does this mean? Tech notes If other codes are present, check and repair other codes first. Make sure the battery charge is OK and the battery connectors are firmly secure. What does this mean? What does this mean? When is the code detected? This code is set whenever Transmission Control Module (TCM) is disconnected from battery power B+ or ground. It will also be set during the DRB III Quick Battery Disconnect procedure. Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light)

73,905

po601 trouble code:>>Possible causes - Faulty Powertrain Control Module (PCM) - Powertrain Control Module (PCM) harness is open or shorted - Powertrain Control Module (PCM) cicuit poor electricl connection - Low battery voltage Tech notes The P0601 is a common code with Chrysler vehicles and the most common problem is the PCM. Erasing the codes may temporary fix the problem. What does this mean? What does this mean? Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) P0601 Chrysler Description There is an internal error in the Powertrain Control Module (PCM) system.

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