Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2015 Acura TLX Base, 2.4L EngFACTORY OEM SERVICE PROCEDURE
TPMS Control Unit DTCS
| DTC | Detection Item | |
|---|---|---|
| C1800 | -87 | Tire Pressure Sensor Signal Reception Error |
| C1801 | -55 | Right-Front Tire Pressure Sensor ID Registration Error |
| -87 | Right-Front Tire Pressure Sensor Signal Transmission Error | |
| -92 | Right-Front Tire Pressure Sensor Low Battery | |
| -96 | Right-Front Tire Pressure Sensor Malfunction | |
| -98 | Right-Front Tire Abnormally High Temperature | |
| C1802 | -55 | Left-Front Tire Pressure Sensor ID Registration Error |
| -87 | Left-Front Tire Pressure Sensor Signal Transmission Error | |
| -92 | Left-Front Tire Pressure Sensor Low Battery | |
| -96 | Left-Front Tire Pressure Sensor Malfunction | |
| -98 | Left-Front Tire Abnormally High Temperature | |
| C1803 | -55 | Right-Rear Tire Pressure Sensor ID Registration Error |
| -87 | Right-Rear Tire Pressure Sensor Signal Transmission Error | |
| -92 | Right-Rear Tire Pressure Sensor Low Battery | |
| -96 | Right-Rear Tire Pressure Sensor Malfunction | |
| -98 | Right-Rear Tire Abnormally High Temperature | |
| C1804 | -55 | Left-Rear Tire Pressure Sensor ID Registration Error |
| -87 | Left-Rear Tire Pressure Sensor Signal Transmission Error | |
| -92 | Left-Rear Tire Pressure Sensor Low Battery | |
| -96 | Left-Rear Tire Pressure Sensor Malfunction | |
| -98 | Left-Rear Tire Abnormally High Temperature | |
| C1810 | -11 | Initiator Circuit Short |
| C1811 | -13 | Right-Front Initiator Circuit Open |
| C1812 | -13 | Left-Front Initiator Circuit Open |
| C1813 | -13 | Right-Rear Initiator Circuit Open |
| C1814 | -13 | Left-Rear Initiator Circuit Open |
| C1821 | -78 | Right-Front Tire Low Air Pressure |
| C1822 | -78 | Left-Front Tire Low Air Pressure |
| C1823 | -78 | Right-Rear Tire Low Air Pressure |
| C1824 | -78 | Left-Rear Tire Low Air Pressure |
| C1830 | -00 - Refer to: DTC Troubleshooting: C1830-00 (V6), or DTC Troubleshooting: C1830-00 (L4) | Vehicle Speed Signal Malfunction |
| U0029 | -00 - Refer to: DTC Troubleshooting: U0029-00, U0100-00, U0101-00 (TPMS Control Unit (Without ACC)) (2015-17), or DTC Troubleshooting: U0029-00, U0100-00 (TPMS Control Unit (With ACC)) (2015-17), or DTC Troubleshooting: U0029-00 (TPMS Control Unit) (2018-19) | F-CAN Malfunction (Bus Off) |
| U0100 | -00 - Refer to: DTC Troubleshooting: U0029-00, U0100-00, U0101-00 (TPMS Control Unit (Without ACC)) (2015-17), or DTC Troubleshooting: U0029-00, U0100-00 (TPMS Control Unit (With ACC)) (2015-17), or DTC Troubleshooting: U0029-00 (TPMS Control Unit) (2018-19) | F-CAN Malfunction (TPMS Control Unit Lost Communication with PCM (PGM-FI)) |
| U0101 | -00 - Refer to: DTC Troubleshooting: U0029-00, U0100-00, U0101-00 (TPMS Control Unit (Without ACC)) (2015-17), or DTC Troubleshooting: U0029-00, U0100-00 (TPMS Control Unit (With ACC)) (2015-17), or DTC Troubleshooting: U0029-00 (TPMS Control Unit) (2018-19) | F-CAN Malfunction (TPMS Control Unit Lost Communication with PCM (A/T)) |
| U3000 | -49 | TPMS Control Unit Internal Circuit Malfunction |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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