BAT Team

By BAT Team (Contact Me)
Last Updated 2017-01-17
A site with free advice from mechanics.

Trouble CodeFault LocationProbable Cause
P1438 EGR Valve 2 Open Circuit or Short Circuit to Ground (AUDI, VOLKSWAGEN)
Purge Control Valve Control Open Circuit (BMW)
A/C Evaporator Air Temperature Circuit Range/Performance (FORD)
Motor Drive Module Overheating Signal Circuit (HONDA)
HCAC System Variable Valve Circuit Low (LEXUS)

We recommend Torque Pro

Other Manufacturer Specific Definitions for P1438

A/C Evaporator Air Temperature Circuit Range/Performance (Ford)
Exhaust gas recirculation (EGR) valve/ solenoid, open circuit/short to ground (Volkswagen)
Exhaust gas recirculation (EGR) valve/solenoid, Bank 2 - open circuit/short to ground (Audi)
Cruise control switch – defective (BMW)
Motor driver module – overheating (Honda)
HC catalytic converter, variable valve – circuit low (Lexus)

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