Question

I have a 2001 Dodge Grand Caravan 4 Cyl. with the engine code P0320, what is the meaning of the code?

Answer 1

Hi there,

This code is for a problem with the crank position sensor and the crank signal. Here is a description and some possible causes.

SYMPTOM 
P0320-NO CRANK REFERENCE SIGNAL AT PCM

WHEN MONITORED 
Engine cranking.

SET CONDITION 
No CKP signal is present during engine cranking, and at least 8 camshaft position sensor signals have occurred.

POSSIBLE CAUSES 

 

• Checking intermittent CKP signal with lab
• Checking intermittent CMP signal with lab
• Checking intermittent wiring with lab scope
• Intermittent condition
• 8 volt supply circuit shorted to ground
• 8 volt supply circuit open
• 8 volt supply circuit shorted to voltage
• CKP sensor signal circuit shorted ground
• CKP sensor signal circuit open
• CKP sensor signal circuit shorted to voltage
• CKP sensor signal shorted to 8 volt supply circuit
• Sensor ground circuit open
• PCM - 8 volt supply
• PCM - CKP sensor signal
• Crankshaft position sensor