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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSJAGUAR2003XK8 2D COUPEREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX (P CODES)DTC INDEXENGINE PERFORMANCE
2003 Jaguar XK8 2D Coupe
Engine Performance
2003 Jaguar XK8 2D CoupeSECTION Engine Performance
DIAGNOSTIC TROUBLE CODE INDEX
| DTC | Description |
|---|---|
| DTC P0101 | MAFS range/performance |
| DTC P0102 | MAFS sense circuit low voltage |
| DTC P0103 | MAFS sense circuit high voltage |
| DTC P0105 | Manifold Absolute Pressure Sensor Malfunction |
| DTC P0106 | BARO circuit low voltage |
| DTC P0107 | BARO circuit high voltage |
| DTC P0111 | IATS range/performance |
| DTC P0112 | IATS sense circuit high voltage (low air temperature) |
| DTC P0113 | IATS sense circuit low voltage (high air temperature) |
| DTC P0116 | ECTS range/performance |
| DTC P0117 | ECTS sense circuit high voltage (low coolant temperature) |
| DTC P0118 | ECTS sense circuit low voltage (high coolant temperature) |
| DTC P0121 | TPS circuit range/performance |
| DTC P0122 | TPS circuit "1" low voltage |
| DTC P0123 | TPS circuit "1" high voltage |
| DTC P0125 | ECTS response (for closed loop fuel control) |
| DTC P0131 | HO2S sense circuit low voltage - A bank, upstream (1) |
| DTC P0132 | HO2S sense circuit high voltage - A bank, upstream (1) |
| DTC P0133 | HO2S sense circuit slow response - A bank, upstream (1) |
| DTC P0135 | HO2S heater circuit malfunction - A bank, upstream (1) |
| DTC P0137 | O2S sense circuit low voltage - A bank, downstream (2) |
| DTC P0138 | O2S sense circuit high voltage - A bank, downstream (2) |
| DTC P0140 | O2S sense circuit no activity - A bank, downstream (2) |
| DTC P0151 | HO2S sense circuit low voltage - B bank, upstream (1) |
| DTC P0152 | HO2S sense circuit high voltage - B bank, upstream (1) |
| DTC P0153 | HO2S sense circuit slow response - B bank, upstream (1) |
| DTC P0155 | HO2S heater circuit malfunction - B bank, upstream (1) |
| DTC P0157 | O2S sense circuit low voltage - B bank, downstream (2) |
| DTC P0158 | O2S sense circuit high voltage - B bank, downstream (2) |
| DTC P0160 | O2S sense circuit no activity - B bank, downstream (2) |
| DTC P0171 | A bank combustion too lean |
| DTC P0172 | A bank combustion too rich |
| DTC P0174 | B bank combustion too lean |
| DTC P0175 | B bank combustion too rich |
| DTC P0201 | Fuel injector circuit malfunction - cylinder A1 (1) |
| DTC P0202 | Fuel injector circuit malfunction - cylinder A2 (2) |
| DTC P0203 | Fuel injector circuit malfunction - cylinder A3 (3) |
| DTC P0204 | Fuel injector circuit malfunction - cylinder A4 (4) |
| DTC P0205 | Fuel injector circuit malfunction - cylinder B1 (5) |
| DTC P0206 | Fuel injector circuit malfunction - cylinder B2 (6) |
| DTC P0207 | Fuel injector circuit malfunction - cylinder B3 (7) |
| DTC P0208 | Fuel injector circuit malfunction - cylinder B4 (8) |
| DTC P0222 | TPS circuit "2" low voltage |
| DTC P0223 | TPS circuit "2" high voltage |
| DTC P0300 | Random misfire detected |
| DTC P0301 | Misfire detected - cylinder A1 (1) |
| DTC P0302 | Misfire detected - cylinder A2 (2) |
| DTC P0303 | Misfire detected - cylinder A3 (3) |
| DTC P0304 | Misfire detected - cylinder A4 (4) |
| DTC P0305 | Misfire detected - cylinder B1 (5) |
| DTC P0306 | Misfire detected - cylinder B2 (6) |
| DTC P0307 | Misfire detected - cylinder B3 (7) |
| DTC P0308 | Misfire detected - cylinder B4 (8) |
| DTC P0327 | KS sense circuit out of range (low voltage) - A bank |
| DTC P0328 | KS sense circuit out of range (high voltage) - A bank |
| DTC P0332 | KS sense circuit out of range (low voltage) - B bank |
| DTC P0333 | KS sense circuit out of range (high voltage) - B bank |
| DTC P0335 | CKPS circuit malfunction |
| DTC P0340 | CMPS circuit malfunction |
| DTC P0351 | Ignition coil (A1) primary/secondary circuit malfunction |
| DTC P0352 | Ignition coil (A2) primary/secondary circuit malfunction |
| DTC P0353 | Ignition coil (A3) primary/secondary circuit malfunction |
| DTC P0354 | Ignition coil (A4) primary/secondary circuit malfunction |
| DTC P0355 | Ignition coil (B1) primary/secondary circuit malfunction |
| DTC P0356 | Ignition coil (B2) primary/secondary circuit malfunction |
| DTC P0357 | Ignition coil (B3) primary/secondary circuit malfunction |
| DTC P0358 | Ignition coil (B4) primary/secondary circuit malfunction |
| DTC P0400 | EGR flow malfunction |
| DTC P0405 | EGR drive circuits open circuit |
| DTC P0406 | EGR drive circuits short circuit |
| DTC P0420 | Catalyst efficiency below threshold - A bank |
| DTC P0430 | Catalyst efficiency below threshold - B bank |
| DTC P0441 | EVAP system incorrect purge flow |
| DTC P0444 | EVAPP valve circuit open circuit |
| DTC P0445 | EVAPP valve circuit short circuit |
| DTC P0460 | Fuel level sense signal performance |
| DTC P0506 | Idle rpm lower than expected |
| DTC P0507 | Idle rpm higher than expected |
| DTC P0560 | Vehicle voltage malfunction |
| DTC P0566 | Cruise control CANCEL switch ON fault |
| DTC P0567 | Cruise control RESUME switch ON fault |
| DTC P0568 | Cruise control switch ground malfunction |
| DTC P0569 | Cruise control DECEL/SET (SET-) switch ON fault |
| DTC P0570 | Cruise control ACCEL/SET (SET+) switch ON fault |
| DTC P0603 | ECM data corrupted |
| DTC P1000 | System checks not complete since last memory clear |
| DTC P1104 | MAFS ground malfunction |
| DTC P1111 | System checks complete since last memory clear |
| DTC P1121 | Pedal position sensor circuit "A" range/performance |
| DTC P1122 | Pedal position sensor circuit "A" low voltage |
| DTC P1123 | Pedal position sensor circuit "A" high voltage |
| DTC P1221 | Pedal position sensor circuit "B" range/performance |
| DTC P1222 | Pedal position sensor circuit "B" low voltage |
| DTC P1223 | Pedal position sensor circuit "B" high voltage |
| DTC P1224 | Throttle control position error |
| DTC P1226 | Mechanical guard sensor range/performance |
| DTC P1227 | Mechanical guard sensor circuit low voltage |
| DTC P1228 | Mechanical guard sensor circuit high voltage |
| DTC P1229 | Throttle motor control circuit malfunction |
| DTC P1230 | Fuel pump relay malfunction |
| DTC P1235 | VSV 1 circuit range/performance (mechanical guard position) |
| DTC P1236 | VSV 1 (vacuum) circuit failure |
| DTC P1237 | VSV 2 (atmosphere) circuit failure |
| DTC P1238 | VSV 3 (release) circuit failure |
| DTC P1240 | Sensor reference voltage malfunction (TPS, pedal position and mechanical guard sensors) (ECM pins EM10-21, EM11-8) |
| DTC P1241 | Sensor power supply low voltage (TPS, pedal position and mechanical guard sensors) (ECM pins EM10-21, EM11-8) |
| DTC P1242 | Sensor power supply high voltage (TPS, pedal position and mechanical guard sensors) (ECM pins EM10-21, EM11-8) |
| DTC P1243 | Sensor reference ground malfunction (throttle sensors, ECTS, IATS) (ECM pins EM10-20, EM11-12) |
| DTC P1245 | Engine crank signal low voltage |
| DTC P1246 | Engine crank signal high voltage |
| DTC P1250 | Engine load malfunction |
| DTC P1251 | Throttle position malfunction (engine off) |
| DTC P1252 | Mechanical guard position malfunction (cruise control) |
| DTC P1253 | Mechanical guard position malfunction (engine off) |
| DTC P1260 | Security input (not used - NAS) |
| DTC P1313 | Misfire rate catalyst damage - A bank (1); Note: This DTC will flag only when accompanied by a random or individual cylinder misfire DTC: P0300; P0301 - P0304 |
| DTC P1314 | Misfire rate catalyst damage - B bank (2); Note: This DTC will flag only when accompanied by an individual cylinder misfire DTC: P0300 - P0308 |
| DTC P1316 | Misfire excess emission; Note: This DTC will flag only when accompanied by an individual cylinder misfire DTC: P0300 - P0308 |
| DTC P1336 | CKPS/CMPS sensors synchronization malfunction |
| DTC P1367 | Ignition monitor (ignition module 1) |
| DTC P1368 | Ignition monitor (ignition module 2) |
| DTC P1392 | VVT solenoid circuit open circuit - A bank |
| DTC P1393 | VVT solenoid circuit short circuit - A bank |
| DTC P1396 | VVT solenoid malfunction - B bank |
| DTC P1397 | VVT solenoid circuit open circuit - B bank |
| DTC P1398 | VVT solenoid circuit short circuit - B bank |
| DTC P1475 | Radiator fans slow (series) circuit malfunction |
| DTC P1476 | Radiator fans fast (parallel) circuit malfunction |
| DTC P1516 | Gear change PARK/NEUTRAL driving malfunction |
| DTC P1517 | Engine cranking PARK/NEUTRAL malfunction |
| DTC P1571 | Brake switch malfunction |
| DTC P1606 | EMS control relay malfunction |
| DTC P1609 | ECM microprocessor-to-microprocessor communication failure |
| DTC P1611 | Throttle angle malfunction |
| DTC P1612 | Throttle offset malfunction |
| DTC P1637 | CAN ABS/TCCM token missing |
| DTC P1638 | CAN INST token missing |
| DTC P1642 | CAN circuit malfunction |
| DTC P1643 | CAN TCM token missing |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.