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Home / DTC / C1914 — Tire air pressure sensor,Tire1

C1914 — Tire air pressure sensor,Tire1

Detailed page for trouble code C1914.

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Code

C1914

MITSUBISHI C — Chassis

Tire air pressure sensor,Tire1

Brand: MITSUBISHI
Type: C — Chassis
Views: UK: 12 EN: 9 RU: 5
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Dead or weak TPMS sensor battery
  • Physically damaged sensor (impact, corrosion, broken valve)
  • Sensor lost or mismatched ID (after wheel swap or replacement)
  • Poor RF reception (antenna/receiver fault, interference)
  • Faulty TPMS control module or ABS/ECU communication error
  • Incorrectly installed aftermarket wheel or sensor

Symptoms

  • TPMS warning lamp illuminated or flashing
  • No/erratic pressure reading for Tire 1 on dash or scan tool
  • Inaccurate or missing tire pressure/temperature data for that wheel
  • Intermittent TPMS warnings or lamp resets after driving
  • Beeping or warning message indicating specific wheel

What to check

  • Verify actual tire pressure at Tire 1 with a gauge and inspect the valve and rim for damage or corrosion
  • Use a TPMS-capable scanner to read sensor ID, battery status, pressure and temperature for each wheel
  • Confirm vehicle receives a radio signal from the sensor (TPMS tool or scan tool signal test)
  • Check TPMS module and ECU for related codes and CAN BUS communication faults
  • Inspect antenna(s) and wiring to TPMS receiver/module for damage or poor connections
  • Confirm wheels are original/equipped with compatible sensors (aftermarket wheels may require sensor replacement or programming)

Signal parameters

  • RF frequency: commonly 315 MHz or 433 MHz (model dependent)
  • Sensor ID: unique transmitter identifier reported to TPMS module
  • Tire pressure: reported in kPa/bar or PSI (compare to actual gauge reading)
  • Battery voltage: low battery typically
  • Temperature: ambient tire temp reported by sensor (°C/°F)
  • Wake-up interval: sensor transmit interval when stationary vs driving (longer stationary)

Diagnostic algorithm

  1. Confirm the complaint and record current TPMS/warning behavior and any freeze frame or related codes.
  2. Measure Tire 1 pressure with a reliable gauge and inflate to specification if low. Re-check if code clears after drive cycle.
  3. Scan the vehicle with a TPMS-capable tool. Attempt to read the Tire 1 sensor ID and live data (pressure, temp, battery). Note missing or abnormal values.
  4. If the tool reads the sensor, compare reported pressure to gauge. If readings differ significantly, suspect sensor calibration/fault or software mismatch.
  5. If the tool cannot read the sensor at Tire 1, use a dedicated TPMS activation tool close to the valve to wake the sensor. If still no response, suspect dead/damaged sensor.
  6. Inspect the wheel and valve stem for physical damage, corrosion, or loose sensor mounting. Remove wheel if needed for full inspection.
  7. Check TPMS receiver/module communication on CAN BUS. Retrieve any additional codes (communication faults) and verify power and ground to the module.
  8. If sensor ID is present but not recognized by vehicle, perform TPMS learn/reprogram procedure per manufacturer service manual and re-test.
  9. If sensor battery is low or sensor is non-responsive, replace the TPMS sensor (recommended to replace in pairs or follow manufacturer guidance). Reprogram/learn new sensor ID and confirm operation.
  10. After repair or sensor replacement, clear DTCs, perform a relearn or drive/activation procedure, and verify that the TPMS warning lamp extinguishes and correct data is displayed for Tire 1.

Likely causes

  • Sensor battery at end-of-life (most common)
  • Damaged sensor or valve assembly (next most likely)
  • Sensor ID not registered or mismatched after wheel/service
  • TPMS module/antenna or CAN communication fault

Fault status

⚠️ Status
TPMS sensor at Tire 1 malfunction — no valid/transmitted data or out-of-range values detected by control module.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-1.5 hours

Similar codes

C1904 C1915 C1901 U0121 B2501
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Code

C1914

Other C — Chassis

Ride Control LF Shock Actuator Circuit Open

Brand: Other
Type: C — Chassis
Views: UK: 12 EN: 15 RU: 7
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Dead or weak TPMS sensor battery
  • Physically damaged sensor (impact, corrosion, broken valve)
  • Sensor lost or mismatched ID (after wheel swap or replacement)
  • Poor RF reception (antenna/receiver fault, interference)
  • Faulty TPMS control module or ABS/ECU communication error
  • Incorrectly installed aftermarket wheel or sensor

Symptoms

  • TPMS warning lamp illuminated or flashing
  • No/erratic pressure reading for Tire 1 on dash or scan tool
  • Inaccurate or missing tire pressure/temperature data for that wheel
  • Intermittent TPMS warnings or lamp resets after driving
  • Beeping or warning message indicating specific wheel

What to check

  • Verify actual tire pressure at Tire 1 with a gauge and inspect the valve and rim for damage or corrosion
  • Use a TPMS-capable scanner to read sensor ID, battery status, pressure and temperature for each wheel
  • Confirm vehicle receives a radio signal from the sensor (TPMS tool or scan tool signal test)
  • Check TPMS module and ECU for related codes and CAN BUS communication faults
  • Inspect antenna(s) and wiring to TPMS receiver/module for damage or poor connections
  • Confirm wheels are original/equipped with compatible sensors (aftermarket wheels may require sensor replacement or programming)

Signal parameters

  • RF frequency: commonly 315 MHz or 433 MHz (model dependent)
  • Sensor ID: unique transmitter identifier reported to TPMS module
  • Tire pressure: reported in kPa/bar or PSI (compare to actual gauge reading)
  • Battery voltage: low battery typically
  • Temperature: ambient tire temp reported by sensor (°C/°F)
  • Wake-up interval: sensor transmit interval when stationary vs driving (longer stationary)

Diagnostic algorithm

  1. Confirm the complaint and record current TPMS/warning behavior and any freeze frame or related codes.
  2. Measure Tire 1 pressure with a reliable gauge and inflate to specification if low. Re-check if code clears after drive cycle.
  3. Scan the vehicle with a TPMS-capable tool. Attempt to read the Tire 1 sensor ID and live data (pressure, temp, battery). Note missing or abnormal values.
  4. If the tool reads the sensor, compare reported pressure to gauge. If readings differ significantly, suspect sensor calibration/fault or software mismatch.
  5. If the tool cannot read the sensor at Tire 1, use a dedicated TPMS activation tool close to the valve to wake the sensor. If still no response, suspect dead/damaged sensor.
  6. Inspect the wheel and valve stem for physical damage, corrosion, or loose sensor mounting. Remove wheel if needed for full inspection.
  7. Check TPMS receiver/module communication on CAN BUS. Retrieve any additional codes (communication faults) and verify power and ground to the module.
  8. If sensor ID is present but not recognized by vehicle, perform TPMS learn/reprogram procedure per manufacturer service manual and re-test.
  9. If sensor battery is low or sensor is non-responsive, replace the TPMS sensor (recommended to replace in pairs or follow manufacturer guidance). Reprogram/learn new sensor ID and confirm operation.
  10. After repair or sensor replacement, clear DTCs, perform a relearn or drive/activation procedure, and verify that the TPMS warning lamp extinguishes and correct data is displayed for Tire 1.

Likely causes

  • Sensor battery at end-of-life (most common)
  • Damaged sensor or valve assembly (next most likely)
  • Sensor ID not registered or mismatched after wheel/service
  • TPMS module/antenna or CAN communication fault

Fault status

⚠️ Status
TPMS sensor at Tire 1 malfunction — no valid/transmitted data or out-of-range values detected by control module.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-1.5 hours

Similar codes

C1904 C1915 C1901 U0121 B2501
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