C

Make

Citroën Trouble Codes and Known Issues

Citroën shares engines, transmissions and electronics with Peugeot: TU and EC gasoline engines, the 1.6 THP turbo, HDi diesels and the AL4 automatic transmission. The failures and fixes for a Peugeot with the same engine also apply to the equivalent Citroën.

Most searched models: C3, C3 Aircross, C4, C4 Cactus, C-Elysée, Berlingo and Jumper.

Common problems on Citroën vehicles

  • AL4 automatic transmission.
  • Timing chain and tensioner on the 1.6 THP.
  • EGR and fuel pressure on HDi diesels.
  • Negative battery terminal with a built-in sensor.

Tips for diagnosing a Citroën

  • Look up the Peugeot problems for the same engine: the information is interchangeable.

Do you have several codes at once? Use the free multi-code diagnosis for Citroën: it sorts the codes by priority and shows these make-specific notes. Below are the codes with documented quirks on Citroën vehicles.

Make notes are a guide based on well-known common failures. Always confirm with the manufacturer's documentation for your engine and model year.

Codes with notes for Citroën

9 codes

CodeMeaningSystemSeverity
B1318 Low Supply Voltage at Body Control Module Body, Comfort and Passive Safety Medium
P0016 Crankshaft Position Camshaft Position Correlation (Bank 1 Sensor A) Ignition and Misfires High
P0087 Fuel Rail/System Pressure Too Low Fuel Injection and Fuel Pressure High
P0300 Random/Multiple Cylinder Misfire Detected Ignition and Misfires High
P0401 Exhaust Gas Recirculation Flow Insufficient Detected Emissions Control: Catalyst, EVAP and EGR Medium
P0730 Incorrect Gear Ratio Automatic Transmission and Traction High
P0745 Pressure Control Solenoid A Automatic Transmission and Traction High
P20EE SCR NOx Catalyst Efficiency Below Threshold (Bank 1) Emissions Control: Catalyst, EVAP and EGR High
P2458 Diesel Particulate Filter Regeneration Duration Emissions Control: Catalyst, EVAP and EGR Medium

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