Possible causes
– Faulty Spark Plug Voltage Detection Module (VDM)
– Spark VDM harness is open or shorted
– Spark VDM circuit poor electrical connection
– Open or short circuit between VDM and Engine Control Module (ECM)
– Spark VDM harness is open or shorted
– Spark VDM circuit poor electrical connection
– Open or short circuit between VDM and Engine Control Module (ECM)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1316 ACURA OBD Code Description
Spark Plug Voltage Detection Circuit Malfunction Front Bank 2
Acura TL Spark Plug Voltage Detection Module (VDM) Location:
