Diagnostic Trouble Code (DTC) Information ECM-342B

Condition 

The diagnostic trouble code (DTC) (Signal missing) is stored if the engine control module (ECM) detects that the signal from the camshaft position (CMP) sensor for both intake and exhaust sides is incorrect or missing.

This diagnostic trouble code (DTC) is always stored along with another diagnostic trouble code (DTC) for signal error, camshaft position (CMP) sensor.

Substitute Value 

• Camshaft control switched off
• Diagnostic for camshaft control switched off
• Initial boost pressure.

Possible Source 

Signal missing 

• Incorrect circuit for the camshaft position (CMP) sensors.

Fault symptom[s] 

• Uneven idle
• Poor performance.