DTC Troubleshooting: P1027 (172-8), P1028 (178-8), P1035 (183-8), P1058 (179-6), P1383 (173-8), P1405 (182-8), P16B1 (128-8)

DTC P1027: Turbocharger Boost Control Solenoid Circuit Overheating DTC P1028: IMRC Solenoid Valve Circuit Overheating DTC P1035: Fuel Heater Relay Circuit Overheating DTC P1058: Fuel Rail Pressure Control Valve Circuit Overheating DTC P1383:
Glow Plug Control Module Circuit Overheating
DTC P1405:
EGR Valve Circuit Overheating
DTC P16B1:
A/C Clutch Relay Control Circuit Overheating

1. Check the heat source around ECM.

Is there heat source around ECM?

YES | - | Remove the heat source, then go to Step 2 .
NO | - | Go to Step 2 .

1. Make a temperature in the cabin sufficiently low.

1. Turn the ignition switch ON (II).

1. Reset the ECM with the HDS.

1. Check for Temporary DTCs or DTCs with the HDS.

Are DTC P1027, P1028, P1035, P1058, P1383, P1405, and/or P16B1 indicated?

YES | - | Update the ECM if it does not have the latest software, or substitute a known-good ECM, then recheck. If the symptom/indication goes away with a known-good ECM, replace the original ECM. ■
NO | - | Intermittent failure, system is OK at this time.■