268 Reasons A Check Engine Light Is Better Than Individual Warnings

"Raphmoe" (raphmoe) 11/24/2014 at 15:11 • Filed to: car maintenance, check engine light, maintenance, journalism, raphmoe

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Spoiler alert: the check engine light is actually the "Plug car in to OBD-II reader" light. It is not a literal warning to "Check your engine". But, you all knew that. Anyway, here are 268 reasons individual warnings are stupid:

1. P1000 OBD II Monitor Testing Not Completed

2. P1001 Unable to Achieve Self-Test Function Or SCP Error

3. P1100 Mass Air Flow Sensor Circuit Intermittent - Read Our Article On Automotive Circuit Testing For Help With This Mazda Check Engine Light Code

4. P1101 Mass Air Flow Sensor Circuit Out Of Self-Test Range

5. P1102 Mass Air Flow Sensor Signal Inconsistent With Throttle Position Sensor

6. P1103 Mass Air Flow Sensor Signal Inconsistent With Engine Speed

7. P1110 Intake Air Temperature Sensor Signal (Dynamic Chamber) Circuit - Read Our Article On Automotive Circuit Testing For Help With This Mazda Check Engine Light Code

8. P1112 Intake Air Temperature Sensor Circuit Intermittent - Read Our Article On Automotive Circuit Testing For Help With This Mazda Check Engine Light Code

9. P1113 Intake Air Temperature Sensor Signal (Dynamic Chamber) Circuit - Read Our Article On Automotive Circuit Testing For Help With This Mazda Check Engine Light Code

10. P1114 Intake Air Temperature Sensor Circuit Low Input

11. P1116 ECT Sensor Circuit Out Of Self Test Range

12. P1117 ECT Sensor Signal Intermittent

13. P1120 Throttle Position Sensor Out Of Range Low

14. P1121 Throttle Position Sensor Signal Not Consistent With Mass Air Flow Signal

15. P1122 Throttle Position Stuck Closed

16. P1123 Throttle Position Stuck Open

17. P1124 Throttle Position Sensor Signal Out Of Self Test Range

18. P1125 Throttle Position Sensor Signal Intermittent - Read Our Article On Automotive Circuit Testing For Help With This Mazda Check Engine Light Code

19. P1126 Throttle Position (Narrow Range) Sensor Circuit - Read Our Article On Automotive Circuit Testing For Help With This Mazda Check Engine Light Code

20. P1127 HO2S Bank 1 Sensor 2 Heater Not On During Key On Engine Running Self Test

21. P1128 HO2S Bank 1 Sensor 1 Signals Swapped In Key On Engine Running Self Test

22. P1129 Downstream H02S Sensors Swapped

23. P1130 HO2S Bank 1 Sensor 1 Not Switching (Fuel Control Limit Reached) - Read Our Article On Oxygen Sensor Codes For Help With This Mazda Check Engine Light Code

24. P1131 HO2S Bank 1 Sensor 1 Signal Below 0.45v (A/F Ratio Too Lean) - Read Our Article On Oxygen Sensor Codes For Help With This Mazda Check Engine Light Code

25. P1132 HO2S Bank 1 Sensor 1 Signal Above 0.45v (A/F Ratio Too Rich) - Read Our Article On Oxygen Sensor Codes For Help With This Mazda Check Engine Light Code

26. P1133 Bank 1 Fuel Control Shifted Lean

27. P1134 Bank 1 Fuel Control Shifted Rich

28. P1135 HO2S Bank 1 Sensor 1 Heater Circuit Low Input

29. P1136 HO2S Bank 1 Sensor 1 Heater Circuit High Input

30. P1137 HO2S Bank 1 Sensor 2 Not Switching (Fuel Control Limit Reached) - Read Our Article On Oxygen Sensor Codes For Help With This Mazda Check Engine Light Code

31. P1138 HO2S Bank 1 Sensor 2 Signal Above 0.45v (A/F Ratio Too Rich) - Read Our Article On Oxygen Sensor Codes For Help With This Mazda Check Engine Light Code

32. P1141 HO2S Bank 1 Sensor 2 Heater Circuit Low Input

33. P1142 HO2S Bank 1 Sensor 2 Heater Circuit High Input

34. P1143 HO2S Bank 1 Sensor 3 Signal Below 0.45v (A/F Ratio Too Lean) - Read Our Article On Oxygen Sensor Codes For Help With This Mazda Check Engine Light Code

35. P1144 HO2S Bank 1 Sensor 3 Signal Above 0.45v (A/F Ratio Too Rich) - Read Our Article On Oxygen Sensor Codes For Help With This Mazda Check Engine Light Code

36. P1150 HO2S Bank 2 Sensor 1 Not Switching (Fuel Control Limit Reached) - Read Our Article On Oxygen Sensor Codes For Help With This Mazda Check Engine Light Code

37. P1151 HO2S Bank 2 Sensor 1 Signal Below 0.45v (A/F Ratio Too Lean) - Read Our Article On Oxygen Sensor Codes For Help With This Mazda Check Engine Light Code

38. P1152 HO2S Bank 2 Sensor 1 Signal Above 0.45v (A/F Ratio Too Rich) - Read Our Article On Oxygen Sensor Codes For Help With This Mazda Check Engine Light Code

39. P1153 Bank 2 Fuel Control Shifted Lean(FAOSC)

40. P1154 Bank 2 Fuel Control Shifted Rich (FAOSC)

41. P1169 HO2S Bank 1 Sensor 1 Circuit Fixed (Bank 1 Sensor 1)

42. P1170 HO2S Bank 1 Sensor 1 Circuit Fixed (Bank 1 Sensor 1)

43. P1173 HO2S Bank 2 Sensor 1 Circuit Fixed (Bank 2 Sensor 1)

44. P1182 Fuel Shut Off Solenoid Circuit

45. P1189 Pump Speed Signal

46. P1190 Calibration Resistor Out Of Range

47. P1191 TP (Controlled) Circuit

48. P1194 ECM, PCM, A/D Converter

49. P1195 EGR Boost Sensor Circuit

50. P1196 Ignition Switch Start Circuit

51. P1197 Mileage Switch Circuit

52. P1213 Start Injector Circuit

53. P1221 Traction Control System

54. P1222 Traction Control Output Circuit

55. P1226 Control Sleeve Sensor Circuit

56. P1235 Fuel Pump Control Circuit

57. P1236 Fuel Pump Control Out Range

58. P1248 Turbo Boost Pressure Not Detected

59. P1250 Pressure Regulator Control Solenoid Circuit

60. P1251 Air Mixture Solenoid Circuit

61. P1252 Pressure Regulator Control Solenoid '2' Circuit

62. P1260 Anti-Theft System Signal Detected - Engine Disabled

63. P1270 Engine RPM or Vehicle Speed Limit Reached

64. P1279 Control Sleeve Sensor Circuit Range/Performance

65. P1298 Injector Driver Module Failure

66. P1309 Misfire Detection Monitor

67. P1312 Injection Pump Timing Actuator Circuit

68. P1318 Injection Timing Piston Position Sensor Circuit

69. P1319 Injection Timing Piston Position Sensor Circuit Range/Performance

70. P1345 No CMP or SGC Signal

71. P1351 Ignition Diagnostic Monitor Signal Lost To PCM Or Out Of Range

72. P1352 Ignition Coil 'A' Primary Circuit

73. P1353 Ignition Coil 'B' Primary Circuit

74. P1354 Ignition Coil 'C' Primary Circuit

75. P1358 Ignition Diagnostic Monitor Signal Out Of Self Test Range

76. P1359 SPOUT Signal Lost To Powertrain Control Module Or Out Of Range

77. P1360 Ignition Coil 'A' Secondary Circuit

78. P1361 Ignition Coil 'B' Secondary Circuit

79. P1362 Ignition Coil 'C' Secondary Circuit

80. P1364 Ignition Coil Primary Circuit

81. P1365 Ignition Coil Secondary Circuit

82. P1382 Camshaft Position Timing Solenoid #1 Circuit

83. P1387 Camshaft Position Timing Solenoid #2 Circuit

84. P1390 Octane Adjust Shorting Bar Out or Circuit Open

85. P1400 DPFE Sensor Circuit Low Input - Read Our Article on EGR Valve Codes For Help With This Mazda Check Engine Light Code

86. P1401 DPFE Sensor Circuit High Input - Read Our Article on EGR Valve Codes For Help With This Mazda Check Engine Light Code

87. P1402 EGR Valve Position Sensor Circuit - Read Our Article on EGR Valve Codes For Help With This Mazda Check Engine Light Code

88. P1405 DPFE Sensor Upstream Hose Off Or Plugged - Read Our Article on EGR Valve Codes For Help With This Mazda Check Engine Light Code

89. P1406 DPFE Sensor Downstream Hose Off Or Plugged - Read Our Article on EGR Valve Codes For Help With This Mazda Check Engine Light Code

90. P1407 No EGR Flow Detected - Read Our Article On EGR Valve Codes For Help With This Mazda Check Engine Light Code

91. P1408 EGR System Flow Out Of Key On Engine Running Self Test Range - Read Our Article on EGR Valve Codes For Help With This Mazda Check Engine Light Code

92. P1409 EGR Vacuum Regulator Solenoid Circuit

93. P1410 EGR Boost Solenoid Valve Stuck

94. P1412 Exhaust Gas Recirculation Valve Frozen - Read Our Article on EGR Valve Codes For Help With This Mazda Check Engine Light Code

95. P1415 Air Pump Circuit

96. P1416 Port Air Circuit

97. P1417 Port Air Relief Circuit

98. P1418 Split Air #1 Circuit

99. P1419 Split Air #2 Circuit

100. P1439 Floor Temp Switch Circuit

101. P1443 EVAP System Purge Flow Fault

102. P1444 EVAP Purge Flow Sensor Circuit Low Voltage

103. P1445 EVAP Purge Flow Sensor Circuit High Voltage

104. P1446 Evaporative Vacuum Solenoid Circuit

105. P1449 Evaporative Check Solenoid Circuit

106. P1450 Unable To Bleed Up Fuel Tank Vacuum

107. P1451 Canister Vent Solenoid Circuit

108. P1455 Fuel Tank Level Sensor Circuit

109. P1456 Fuel Tank Temperature Sensor Circuit

110. P1457 Purge Solenoid Control System

111. P1460 Wide Open Throttle A/C Cut-Off Relay Circuit

112. P1464 Air Conditioning Control Signal Circuit

113. P1473 Fan Circuit Open (VLCM)

114. P1474 Fan Control (Primary Winding) Circuit

115. P1475 Fan Relay (Low) Circuit

116. P1476 Fan Relay (High) Circuit

117. P1477 Additional Fan Relay Circuit

118. P1479 Fan Control (Condenser Primary) Circuit

119. P1485 EGR Vacuum Solenoid Circuit - Read Our Article on EGR Valve Codes For Help With This Mazda Check Engine Light Code

120. P1486 EGR Vent Solenoid Circuit

121. P1487 EGR-CHK (Boost) Solenoid Circuit

122. P1491 Secondary Switch Solenoid Circuit

123. P1492 APLSOL Solenoid Circuit

124. P1493 RCNT Solenoid Circuit

125. P1495 TCSPL Solenoid Circuit

126. P1496 EGR Valve Motor Coil '1' Open or Shorted

127. P1497 EGR Valve Motor Coil '2' Open or Shorted

128. P1498 EGR Valve Motor Coil '3' Open or Shorted

129. P1499 EGR Valve Motor Coil '4' Open or Shorted

130. P1500 Vehicle Speed Sensor Intermittent Signal

131. P1501 Vehicle Speed Sensor Out Of Self Test Range

132. P1502 Vehicle Speed Sensor Circuit Error

133. P1504 Idle Air Control Solenoid Circuit Intermittent

134. P1505 Idle Air Control System At Adaptive Clip

135. P1506 Idle Air Control System Overspeed Detected

136. P1507 Idle Air Control System Underspeed Detected

137. P1508 Bypass Air Solenoid '1' Circuit

138. P1509 Bypass Air Solenoid '2' Circuit

139. P1510 Idle Signal Circuit

140. P1511 Idle Switch (Electric Control Throttle) Circuit

141. P1512 VTCS Fault

142. P1515 Electric Current Circuit

143. P1521 VRIS Solenoid '1' Circuit

144. P1522 VRIS Solenoid '2 Circuit

145. P1523 VICS Solenoid Circuit

146. P1524 Charge Air Cooler Bypass Solenoid Circuit

147. P1525 ABV Vacuum Solenoid Circuit

148. P1526 ABV Vent Solenoid Circuit

149. P1527 Bypass Air Solenoid (Accelerate Warmup) Circuit

150. P1528 Subsidiary Throttle Valve Solenoid Circuit

151. P1529 L/C Atmospheric Balance Air Control Valve Circuit

152. P1540 ABV System Fault

153. P1562 Powertrain Control Module +B Voltage Low

154. P1566 TCM B+ Voltage Low

155. P1569 IMRC Circuit Low

156. P1570 IMRC Circuit High

157. P1600 Loss Of KAM Power, Circuit Open

158. P1601 Powertrain Control Module Communication Line To TCM Error

159. P1602 Powertrain Control Module Communication Line To TCM Error

160. P1602 Immobilizer System Communication Error With Powertrain Control Module

161. P1603 Immobilizer System Fault

162. P1604 Immobilizer System Fault

163. P1605 Powertrain Control Module Keep Alive Memory Test Error

164. P1608 Powertrain Control Module (ECM CPU) DTC Test Fault

165. P1609 Powertrain Control Module (ECM CPU) Knock Sensor Circuit

166. P1621 Immobilizer System Fault

167. P1622 Immobilizer System Fault

168. P1623 Immobilizer System Fault

169. P1624 Immobilizer System Fault

170. P1627 Powertrain Control Module (ECM/TCS) Line Communication Error

171. P1628 Powertrain Control Module (ECM/TCS) Any Line Communication Error

172. P1630 Alternator Regulator #1 Control Circuit

173. P1631 Generator Output Voltage Signal (No Output)

174. P1632 Battery Voltage Monitor Circuit

175. P1633 Battery Overcharge Fault

176. P1634 Generator Terminal 'B' Circuit Open

177. P1645 Fuel Pump Resistor Switch Circuit

178. P1649 Fuel Injection Pump Module

179. P1650 Power Steering Pressure Switch Out Of Range Fault

180. P1651 Power Steering Pressure Switch Circuit

181. P1652 Power Steering Pressure Switch Circuit

182. P1680 Metering Oil Pump Failure

183. P1682 Metering Oil Pump Failure

184. P1683 Metering Oil Pump Temperature Sensor Circuit

185. P1684 Metering Oil Pump Position Sensor Circuit

186. P1685 Metering Oil Pump Stepping Motor Cont. Circuit

187. P1686 Metering Oil Pump Stepping Motor Cont. Circuit

188. P1687 Metering Oil Pump Stepping Motor Cont. Circuit

189. P1688 Metering Oil Pump Stepping Motor Cont. Circuit

190. P1689 Oil Pressure Control Solenoid Circuit

191. P1690 Wastegate Solenoid Circuit

192. P1691 Turbo Pressure Control Solenoid Circuit

193. P1692 Turbo Control Solenoid Circuit

194. P1693 Turbo Charge Control Circuit

195. P1694 Turbo Charge Relief Circuit

196. P1701 Transmission Range Sensor Reverse Engagement Error

197. P1702 Transmission Range Sensor Circuit Intermittent

198. P1703 Brake On/Off Switch Out Of Self Test Range

199. P1705 Transmission Range Sensor Out Of Self Test Range

200. P1706 High Vehicle Speed Observed In Park

201. P1708 Clutch Switch Circuit

202. P1709 Clutch Pedal Position Switch Circuit

203. P1710 Transmission Control Module Solenoid/Internal Ground Circuit

204. P1711 Transmission Fluid Temperature Sensor Circuit Out Of Self Test Range

205. P1713 Transmission Fluid Temperature Sensor Circuit

206. P1714 Shift Solenoid '1' Mechanical Fault

207. P1715 Shift Solenoid '2' Mechanical Fault

208. P1716 Shift Solenoid '3' Mechanical Fault

209. P1717 Shift Solenoid '4' Mechanical Fault

210. P1718 Transmission Fluid Temperature Sensor Circuit

211. P1719 Engine Torque Signal

212. P1720 Vehicle Speed Sensor '2' Signal Error

213. P1721 Gear 1 Incorrect Ratio

214. P1722 Gear 2 Incorrect Ratio

215. P1723 Gear 3 Incorrect Ratio

216. P1724 Gear 4 Incorrect Ratio

217. P1729 Transmission 4x4 Low Switch Error

218. P1735 First Gear Switch Circuit Failure

219. P1736 Second Gear Switch Circuit Failure

220. P1737 Lockup Solenoid

221. P1738 Shift Time Error

222. P1739 Slip Solenoid

223. P1740 Torque Converter Clutch Solenoid Mechanical Fault

224. P1741 Torque Converter Clutch Control Electrical Fault

225. P1742 Torque Converter Clutch Solenoid Shorted

226. P1743 Torque Converter Clutch Failed On - TCIL Is On

227. P1744 Torque Converter Clutch Solenoid Mechanical Fault

228. P1745 Line Pressure Solenoid

229. P1746 Electronic Pressure Control Solenoid Circuit Open

230. P1747 Electronic Pressure Control Solenoid Circuit

231. P1748 Pressure Control Solenoid 'A'

232. P1749 Electronic Pressure Control Solenoid Circuit Low

233. P1751 Transmission Shift Solenoid 'A' Mechanical Fault

234. P1752 Transmission Shift Solenoid 'A' Circuit Shorted

235. P1754 Transmission Coast Clutch Solenoid Electrical Fault

236. P1756 Transmission Shift Solenoid 'B' Mechanical Fault

237. P1757 Transmission Shift Solenoid 'B' Circuit Shorted

238. P1759 2-4 Brake Failsafe Valve Malfunction

239. P1761 Transmission Shift Solenoid '3' Mechanical Fault

240. P1762 Transmission SS3/SS4/OD Band Fault

241. P1763 Low And Reverse Brake Pressure Switch Circuit

242. P1764 Low And Reverse Brake Failsafe Valve Malfunction

243. P1765 Transmission 3-2 Timing Solenoid Valve

244. P1767 Torque Converter Clutch Solenoid Circuit

245. P1770 Clutch Solenoid Circuit

246. P1771 Throttle Position Sensor Circuit Open To Transmission Control Module

247. P1772 Throttle Position Sensor Circuit Shorted To Transmission Control Module

248. P1775 Torque Down Signal #1 Circuit

249. P1776 Toqure Down Signal #2 Circuit

250. P1777 Torque Down Response Signal Circuit

251. P1780 Transmission Control Switch Circuit

252. P1780 Overdrive Off Switch Not Cycled During The Self Test

253. P1781 Transmission 4x4 Low Switch Out Of Range Fault

254. P1783 Transmission Fluid Temperature High Input

255. P1788 Pressure Control Solenoid 'B' Circuit Open

256. P1789 Pressure Control Solenoid 'B' Circuit Shorted

257. P1790 TP (Mechanical) Circuit

258. P1791 TP (Electric) Circuit

259. P1792 Barometer Pressure Circuit

260. P1793 Intake Air Volume Circuit

261. P1794 Powertrain Control Module Battery Direct Power Circuit

262. P1795 Idle Switch Circuit

263. P1796 Kick Down Switch Circuit

264. P1797 P/N Switch Open Or Short Circuit

265. P1798 Coolant Temperature Circuit

266. P1799 Hold Switch Circuit

267. P1900 Turbine Speed Sensor Circuit Intermittent

268. P1901 Torque Converter Clutch Circuit Intermittent

Sweet Trav > Raphmoe 11/24/2014 at 15:18

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Until my car had a 4x4in high resolution LCD screen in the middle of the gauge cluster I agreed with you Raphmoe, however, now since it does: Please, describe at length the error code instead of showing me a little orange light.

PRBot II > Raphmoe 11/24/2014 at 15:19

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Holy shit, Raphmoe. This is art.

nFamousCJ - Keeper of Stringbean, Gengars and a Deezul > Sweet Trav 11/24/2014 at 15:22

3

Exactly. "Some sensor in your exhaust got a little dirty but it's no biggie" and "there's a dead squirrel in cylinder 3... You may want to stop like now" are a lot more helpful than the light.

For Sweden > Raphmoe 11/24/2014 at 15:22

5

Read Our Article On Oxygen Sensor Codes For Help With This Mazda Check Engine Light Code

The plot thickens...

Sweet Trav > nFamousCJ - Keeper of Stringbean, Gengars and a Deezul 11/24/2014 at 15:24

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Those damned rodents gumming up the valves seats...

SidewaysOnDirt still misses Bowie > Raphmoe 11/24/2014 at 15:32

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Omg, these ones are the worst.

101. P1443 EVAP System Purge Flow Fault

102. P1444 EVAP Purge Flow Sensor Circuit Low Voltage

103. P1445 EVAP Purge Flow Sensor Circuit High Voltage

104. P1446 Evaporative Vacuum Solenoid Circuit

105. P1449 Evaporative Check Solenoid Circuit

505Turbeaux > Raphmoe 11/24/2014 at 15:32

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how many reasons do I need to avoid OBD/computerized cars...

one

jariten1781 > Raphmoe 11/24/2014 at 15:37

1

14. P1121 Throttle Position Sensor Signal

NEMESIS

Rico > For Sweden 11/24/2014 at 15:39

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What's the OBD code for rust?

RamblinRover Luxury-Yacht > 505Turbeaux 11/24/2014 at 15:47

0

What if we're doing that, but with these:

and this?

505Turbeaux > RamblinRover Luxury-Yacht 11/24/2014 at 15:52

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the circuit board is what kills it for me. If I can't see, hear, smell, taste or touch what is wrong with a car, I dont like it. Harder and harder to get away from it but why go back? Timing too. Figure out what gas you run and time the thing. If you get shitty gas adjust on the fly.

RamblinRover Luxury-Yacht > 505Turbeaux 11/24/2014 at 16:01

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The Megasquirt is at least possible for me, as someone with somewhat of a background in circuits and microcontrollers, to simplify and eliminate problems with. It's far, far simpler than a normal computer, and you can hard set a lot of things. No TPMS bullshit, no EGR system crap, no catalytic converter wank, and I won't be setting it up with ignition control - I'm leaving that to a real dizzy. Air temp, throttle, engine speed, and vacuum in - > fuel out.

505Turbeaux > RamblinRover Luxury-Yacht 11/24/2014 at 16:06

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makes sense. The one thing that gets me is the overkill on the sensors, and it sounds like you are cutting that out with the squirt. This is for Ranchero?

RamblinRover Luxury-Yacht > 505Turbeaux 11/24/2014 at 16:12

1

Yeppers. Those exact throttle bodies (Honda CBR 600), and pretty much exactly those manifolds (somebody has put them on a Rover before - I didn't know this when I made my plans), with a megasquirt to manage. I haven't made the manifolds or other toys yet, but it *can be done*.

I actually cut the firewall to clear the Rover 2-3" further back on Saturday - it'll still have plenty of room for them. ( I will probably post pics as I progress this week. ) There will be 8 stacks, because why the fuck not.

Takuro Spirit > Rico 11/24/2014 at 16:20

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POR-15

Raphmoe > PRBot II 11/24/2014 at 17:38

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I do it for you, friend.

PRBot II > Raphmoe 11/24/2014 at 18:28

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Thank you.

If only EssExTee could be so grossly incandescent > Raphmoe 11/24/2014 at 22:54

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Please tell me this isn't all on one car O_o

(I kid)