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Home >> Chevrolet >> 2022 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (4 Of 5)) >> Diagnostic Information and Procedures >> DTC P118A, P11C9, P1387, P26C0, P26C2, U111A, or U1379 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Ignition U111A* U111A* - -
Serial Data U0672, U111A, U111E, U1348 U0672, U111A, U111E, U1348 U0672, U111A, U111E, U1348 U1379*
Ground - U111A - -
*Additional DTCs may set.
Internal - Component

Component DTC Condition
Engine Coolant Control Valve Position Sensor @ Q97B Engine Coolant Flow Control Valve - Block P118A
P11C9		 This DTC sets when there is an internal component issue:
  • Open/High Resistance
  • Short to Ground
  • Short to Voltage
Engine Block Coolant Valve @ Q97B Engine Coolant Flow Control Valve - Block P26C0
P26C2		 This DTC sets when there is an internal component issue:
  • Control Valve = Stuck - Closed
  • Control Valve = Stuck - Open
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