DTC Volvo Diagnostic Trouble Codes List – OBD2 Manufacturer Specific Codes

Embarking on the intricacies of Volvo vehicles and their diagnostic challenges? You’re in the right place. In this post, we’ll explore an extensive list of Diagnostic Trouble Codes (DTCs) specific to Volvo automobiles.


Powertrain Diagnostic Trouble Codes List

DTC P1124 Volvo – Long Term Fuel Trim Additive, Air System Too Lean
DTC P1136 Volvo – Cooling fan for control modules — Faulty signal
DTC P1140 Volvo – O2 Sensor Rear, Bank 1
DTC P1167 Volvo – Throttle unit — Faulty signal
DTC P1480 Volvo – Engine cooling fan (FC) control module — Signal too low
DTC P1481 Volvo – Engine cooling fan (FC) — Signal too low
DTC P1482 Volvo – Engine cooling fan (FC) — Signal too high
DTC P1526 Volvo – Engine control module (ECM), torque signal — Internal fault
DTC P1646 Volvo – Front heated oxygen sensor, bank 1 — Faulty signal
DTC P1647 Volvo – Front heated oxygen sensor, bank 2 — Faulty signal
DTC P2065 Volvo – Fuel level sensor — Signal too low
DTC P2096 Volvo – Front heated oxygen sensor, bank 1 — Signal too high
DTC P2097 Volvo – Front heated oxygen sensor, bank 1 — Signal too low
DTC P2098 Volvo – Front heated oxygen sensor, bank 2 — Signal too high
DTC P2099 Volvo – Front heated oxygen sensor, bank 2 — Signal too low
DTC P2101 Volvo – Engine control module (ECM) — Faulty signal
DTC P2108 Volvo – Engine control module (ECM) — Faulty signal
DTC P2109 Volvo – Engine control module (ECM) — Internal fault
DTC P2111 Volvo – Throttle Actuator Control System – Stuck Open.
DTC P2112 Volvo – Throttle Actuator “”A”” Control System – Stuck Closed
DTC P2119 Volvo – Throttle Actuator “”A”” Control Throttle Body Range/Performance
DTC P2121 Volvo – Throttle/Accelerator Pedal Position Sensor/Switch “”D”” Circuit Range/Performance
DTC P2122 Volvo – Throttle/Accelerator Pedal Position Sensor/Switch “”D”” Circuit Low Input
DTC P2123 Volvo – Throttle/Accelerator Pedal Position Sensor/Switch “”D”” Circuit High Input
DTC P2126 Volvo – Throttle/Accelerator Pedal Position Sensor/Switch “”E”” Circuit Range/Performance
DTC P2127 Volvo – Throttle/Accelerator Pedal Position Sensor/Switch “”E”” Circuit Low Input
DTC P2128 Volvo – Throttle/Accelerator Pedal Position Sensor/Switch “”E”” Circuit High Input
DTC P2131 Volvo – Throttle/Accelerator Pedal Position Sensor/Switch “”F”” Circuit Range Performance
DTC P2132 Volvo – Throttle/Accelerator Pedal Position Sensor/Switch “”F”” Circuit Low Input
DTC P2133 Volvo – Throttle/Accelerator Pedal Position Sensor/Switch “”F”” Circuit High Input
DTC P2135 Volvo – Throttle position sensor — Faulty signal
DTC P2177 Volvo – Adaptive heated oxygen sensor control, bank 1 — Faulty signal
DTC P2178 Volvo – Adaptive heated oxygen sensor control, bank 1 — Faulty signal
DTC P2179 Volvo – Adaptive heated oxygen sensor control, bank 2 — Faulty signal
DTC P2180 Volvo – Adaptive heated oxygen sensor control, bank 2 — Faulty signal
DTC P2181 Volvo – Low engine coolant level, failure of the engine coolant heater
DTC P2187 Volvo – Adaptive heated oxygen sensor control, bank 1 — Faulty signal
DTC P2188 Volvo – Adaptive heated oxygen sensor control, bank 1 — Faulty signal
DTC P2189 Volvo – Adaptive heated oxygen sensor control, bank 2 — Faulty signal
DTC P2190 Volvo – Adaptive heated oxygen sensor control, bank 2 — Faulty signal
DTC P2191 Volvo – Adaptive heated oxygen sensor control, bank 1 — Signal too high
DTC P2192 Volvo – Adaptive heated oxygen sensor control, bank 1 — Signal too low
DTC P2193 Volvo – Adaptive heated oxygen sensor control, bank 2 — Signal too high
DTC P2194 Volvo – Adaptive heated oxygen sensor control, bank 2 — Signal too low
DTC P2195 Volvo – Front heated oxygen sensor, bank 1 — Faulty signal
DTC P2196 Volvo – Front heated oxygen sensor, bank 1 — Signal missing
DTC P2197 Volvo – Front heated oxygen sensor, bank 2 — Faulty signal
DTC P2198 Volvo – Front heated oxygen sensor, bank 2 — Signal missing
DTC P2227 Volvo – Atmospheric pressure sensor — Faulty signal
DTC P2228 Volvo – Atmospheric pressure sensor — Signal too low
DTC P2229 Volvo – Atmospheric pressure sensor — Signal too high
DTC P2231 Volvo – Front heated oxygen sensor, bank 1 — Signal missing
DTC P2232 Volvo – Rear heated oxygen sensor, bank 1 — Faulty signal
DTC P2234 Volvo – Front heated oxygen sensor, bank 2 — Signal missing
DTC P2235 Volvo – Rear heated oxygen sensor, bank 2 — Faulty signal
DTC P2237 Volvo – Front heated oxygen sensor, bank 1 — Signal missing
DTC P2238 Volvo – Front heated oxygen sensor, bank 1 — Faulty signal
DTC P2239 Volvo – Front heated oxygen sensor, bank 1 — Signal too high
DTC P2240 Volvo – Front heated oxygen sensor, bank 2 — Signal missing
DTC P2241 Volvo – Front heated oxygen sensor, bank 2 — Faulty signal
DTC P2242 Volvo – Front heated oxygen sensor, bank 2 — Signal too high
DTC P2243 Volvo – Front heated oxygen sensor, bank 1 — Signal missing
DTC P2247 Volvo – Front heated oxygen sensor, bank 2 — Signal missing
DTC P2251 Volvo – Front heated oxygen sensor, bank 1 — Signal missing
DTC P2254 Volvo – Front heated oxygen sensor, bank 2 — Signal missing
DTC P2281 Volvo – Turbocharger (TC) control — Faulty signal
DTC P2300 Volvo – Ignition coil Cylinder 1, signal — Signal too low
DTC P2301 Volvo – Ignition coil Cylinder 1, signal — Signal too high
DTC P2303 Volvo – Ignition coil Cylinder 2, signal — Signal too low
DTC P2304 Volvo – Ignition coil Cylinder 2, signal — Signal too high
DTC P2306 Volvo – Ignition coil Cylinder 3, signal — Signal too low
DTC P2307 Volvo – Ignition coil Cylinder 3, signal — Signal too high
DTC P2309 Volvo – Ignition coil Cylinder 4, signal — Signal too low
DTC P2310 Volvo – Ignition coil Cylinder 4, signal — Signal too high
DTC P2312 Volvo – Ignition coil Cylinder 5, signal — Signal too low
DTC P2313 Volvo – Ignition coil Cylinder 5, signal — Signal too high
DTC P2315 Volvo – Ignition coil Cylinder 6, signal — Signal too low
DTC P2316 Volvo – Ignition coil Cylinder 6, signal — Signal too high
DTC P2400 Volvo – Leakage diagnostic unit, pump — Signal missing
DTC P2401 Volvo – Leakage diagnostic unit, pump — Signal too low
DTC P2402 Volvo – Leakage diagnostic unit, pump — Signal too high
DTC P2404 Volvo – Leak diagnostic unit — Faulty signal
DTC P2405 Volvo – Leak diagnostic unit — Signal too low
DTC P2406 Volvo – Leak diagnostic unit — Signal too high
DTC P2407 Volvo – Leak diagnostic unit – Signal missing
DTC P240A Volvo – Leakage diagnostic unit, preheating — Signal missing
DTC P240B Volvo – Leakage diagnostic unit, preheating — Signal too low
DTC P240C Volvo – Leakage diagnostic unit, preheating — Signal too high
DTC P2414 Volvo – Front heated oxygen sensor, bank 1 — Faulty signal
DTC P2415 Volvo – Front heated oxygen sensor, bank 2 — Faulty signal
DTC P2418 Volvo – Leak diagnostic unit, valve — Signal missing
DTC P2419 Volvo – Leak diagnostic unit, valve — Signal too low
DTC P2420 Volvo – Leak diagnostic unit, valve — Signal too high
DTC P250B Volvo – Oil level — Faulty signal
DTC P250C Volvo – Oil level — Signal too low
DTC P2510 Volvo – System relay — Faulty signal
DTC P2511 Volvo – System relay — Signal missing
DTC P2626 Volvo – Front heated oxygen sensor, bank 1 — Signal missing
DTC P2629 Volvo – Front heated oxygen sensor, bank 2 — Signal missing


Taking note that the list is continually evolving, with ongoing expansions to encompass a broader spectrum of OBD2 trouble codes.

In summary, this guide serves as a valuable resource for novice and experienced technicians, as well as automotive enthusiasts, by offering an extensive list of Volvo OBD2 trouble codes.

Stay tuned for more informative content on maintaining and enhancing your automotive experience.

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