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.
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HOMESERVICE MANUALSACURA2018TLX BASE, 2.4L ENGREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXTPMS CONTROL UNIT DTCS
2018 Acura TLX Base, 2.4L Eng
TPMS Control Unit DTCS
2018 Acura TLX Base, 2.4L EngSECTION 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 |
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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.