Low battery voltage can contribute to a mil "on" condition for P0335 (crankshaft position sensor circuit) and or P0340 (camshaft position sensor circuit) due to inconsistent rational speed of the engine's crankshaft.
Related OBD-II Error Codes
Vehicles impacted by this bulletin may show the following OBD DTC.
P0340 [1] Camshaft Position Sensor Circuit Malfunction (Bank 1)
P0335 [1] Crankshaft Position Sensor A Circuit Malfunction