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Home / DTC / C1A62 — Right rear tire pressure sensor and transmitter assembly Right rear initiator

C1A62 — Right rear tire pressure sensor and transmitter assembly Right rear initiator

Detailed page for trouble code C1A62.

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C1A62

LAND ROVER C — Chassis

Right rear tire pressure sensor and transmitter assembly Right rear initiator

Brand: LAND ROVER
Type: C — Chassis
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Dead or weak TPMS sensor battery
  • Physically damaged sensor or valve stem
  • Sensor not programmed or incorrect/corrupt sensor ID
  • Poor RF reception (antenna, wiring, connector, or module fault)
  • Intermittent contact due to corrosion, loose valve nut, or wheel damage
  • Recent wheel/tire change or sensor replacement without relearn

Symptoms

  • TPMS warning lamp illuminated (right‑rear fault indicated on cluster in advanced displays)
  • No pressure/temperature readings displayed for right‑rear wheel
  • Intermittent TPMS warning that resets then returns
  • Inaccurate or frozen pressure reading for right‑rear wheel
  • Unable to perform TPMS relearn for right‑rear sensor

What to check

  • Use a factory or aftermarket TPMS diagnostic tool to read DTCs and list sensor IDs and live data
  • Verify vehicle TPMS module power, ground, and related fuses
  • Visually inspect right‑rear valve/sensor for damage, corrosion, loose nut or missing cap
  • Check wheel/tire history: recent tire change, wheel swap, or replacement sensor
  • Attempt to activate the right‑rear sensor with an active TPMS tool and note response
  • Compare the suspect sensor ID with TPMS module stored IDs (mismatch or missing indicates learn issue)

Signal parameters

  • Typical RF frequency: region dependent ~315 MHz (NA) or ~433/434 MHz (EU) — verify vehicle spec
  • Modulation type: ASK/OOK (typical for TPMS)
  • Typical sensor battery nominal voltage: ~3.0 V (coin cell inside sensor) — declines with age
  • Transmitted data: unique sensor ID, tire pressure (kPa/bar/psi), temperature, battery status
  • Transmission interval: periodic or on‑wake (on low pressure, ignition cycles, or when activated by tool)
  • Received signal strength/quality — low signal may indicate weak battery, antenna or module fault

Diagnostic algorithm

  1. Connect a diagnostic scanner capable of reading Land Rover TPMS data. Record C1A62 and any related codes.
  2. Read the TPMS sensor list and IDs stored in the TPMS module. Note whether the right‑rear ID is present and matches the wheel sensor tag (if available).
  3. Visually inspect the right‑rear wheel and sensor for physical damage, corrosion, loose nut, or incorrect mounting. Repair or replace as required.
  4. Use an active TPMS activation tool at the right‑rear wheel to wake the sensor and capture live data (ID, pressure, temp, battery). If the sensor does not respond, note absence of ID or low battery indicator.
  5. Inspect TPMS receiver/antenna wiring and connectors at the module for continuity, corrosion, and secure connections. Check relevant fuses and ground points.
  6. Swap the suspect wheel with another wheel having a known‑good sensor. If the fault follows the wheel, the sensor is faulty; if it stays with the vehicle position, suspect receiver/antenna/module or wiring.
  7. If the sensor responds but ID is not stored or is incorrect, perform the manufacturer‑specified TPMS relearn/programming procedure (follow Land Rover service instructions).
  8. If sensor is non‑responsive or battery is low, replace the sensor with a compatible Land Rover‑specified unit and program it into the TPMS module.
  9. Clear codes, perform a road test and re‑scan to confirm the fault is resolved and the right‑rear sensor reports normal readings.

Likely causes

  • Internal sensor battery depleted (most common)
  • Sensor transmitter failed after tire service or impact
  • Sensor ID missing or not learned into TPMS module after wheel change
  • Antenna or TPMS receiver module has damaged connector or wiring
  • Corroded valve/metalwork preventing proper sensor mounting and grounding

Fault status

⚠️ Status
Right rear tire pressure sensor/transmitter initiator fault — no valid communication or data from right‑rear TPMS sensor.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5 - 1.5 hours

Similar codes

C1A60 C1A61 C1A63 C1A64 C1A65
320

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