Possible causes
– Faulty Diagnostic Module Tank Leakage (DMTL)
– Diagnostic Module Tank Leakage harness is open or shorted
– Diagnostic Module Tank Leakage circuit poor electrical connection
– Faulty Powertrain Control Moduel (PCM)
– Diagnostic Module Tank Leakage harness is open or shorted
– Diagnostic Module Tank Leakage circuit poor electrical connection
– Faulty Powertrain Control Moduel (PCM)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)