DTC P0850:29 [Advanced Keyless Entry And Push Button Start System]: MZI-3.7

DETECTION CONDITION AND POSSIBLE CAUSE

DETECTION CONDITION	CAN and inhibitor switch signals do not correspond, while ignition is ON (engine off). Starter monitor input circuit voltage less than 4.3 V under the following conditions. IG1 relay output circuit is active Shift lever is D range Engine is not running
POSSIBLE CAUSE	Starter relay No. 2 malfunction Connector or terminal malfunction Open circuit in related wiring harness Keyless control module malfunction
Courtesy of MAZDA MOTORS CORP.