Conditions for Setting the DTC
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
C0880 00 or C0890 00
The fuel pump/trailer brake control module detects the 5 V reference circuit voltage is less than 4.8 V or greater than 5.2 V.
C1115 08 or C1115 5A
- The fuel pump/trailer brake control module detects the manual apply switch is applied before the ignition is cycled OFF, and continuously applied for 30 seconds after ignition is cycled to ON.
- The fuel pump/trailer brake control module detects the manual apply switch is applied continuously for 5 minutes.
- The fault is detected if the manual apply switch input and redundant apply switch input exceeds a threshold for an extended amount of time.
C1116 00
- The fuel pump/trailer brake control module detects a short to ground, open or a short to voltage on the manual apply signal circuit.
- The fuel pump/trailer brake control module detects a open on the low reference circuit.
C1117 00
- The fuel pump/trailer brake control module detects a short to ground, open or a short to voltage on the redundant manual apply signal circuit.
- The fuel pump/trailer brake control module detects a short to voltage on the manual apply signal circuit.
- The fuel pump/trailer brake control module detects a open on the low reference circuit.
C1118 00
- The fuel pump/trailer brake control module detects a short to ground, open or a short to voltage on the user gain signal circuit.
- The fuel pump/trailer brake control module detects a open on the low reference circuit.
C1118 08
- The fuel pump/trailer brake control module detects the user gain switch is applied before the ignition is cycled OFF, and continuously applied for 30 seconds after ignition is cycled to ON.
- The fuel pump/trailer brake control module detects the user gain switch is applied continuously for 5 minutes.