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CHANGED BY EFFECTIVE DATE AFFECTED VIN 32 DIAGNOSIS ECU Limp Home Mode Immedi- ately Engine Stop Delayed Engine Stop Torque Reduction (max.50%) Torque Reduction (max.20%) New DTC P067A P067B P067C P067D Internal malfunction in #4 Internal short in #4 glow Internal malfunction in #5 Internal short in #5 glow - Cylinder #4 (Glow Plug #4) DTC Trouble Help P0671 P0672 P0673 P0674 P0675 #3 Glow Plug Fault - Open #4 Glow Plug Fault - Open #5 Glow Plug Fault - Open #1 Glow Plug Fault - Open #2 Glow Plug Fault - Open - The glow plug circuit is open. - Check the communication line between ECU and each glow plug. - Check each glow plug wiring harness. - Check the resistance of each glow plug: below 1 Ω. - Check each glow plug relay. - Check the ECU wiring harness. - Replace the ECU if required. - The glow plug circuit is open. - Check the communication line between ECU and each glow plug. - Check each glow plug wiring harness. - Check the resistance of each glow plug: below 1 Ω. - Check each glow plug relay. - Check the ECU wiring harness. - Replace the ECU if required. - The glow plug circuit is open. - Check the communication line between ECU and each glow plug. - Check each glow plug wiring harness. - Check the resistance of each glow plug: below 1 Ω. - Check each glow plug relay. - Check the ECU wiring harness. - Replace the ECU if required. - The glow plug circuit is open. - Check the communication line between ECU and each glow plug. - Check each glow plug wiring harness. - Check the resistance of each glow plug: below 1 Ω. - Check each glow plug relay. - Check the ECU wiring harness. - Replace the ECU if required. - The glow plug circuit is open. - Check the communication line between ECU and each glow plug. - Check each glow plug wiring harness. - Check the resistance of each glow plug: below 1 Ω. - Check each glow plug relay. - Check the ECU wiring harness. - Replace the ECU if required. P0683 Defective CAN - GCU’s CAN signal is intermittently defective. |