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Discussion Starter #1
Got the electrical fault light on startup today (the wrench light), which goes away after a few seconds after starting up. Checking with Torque & my OBD reader, it showed current fault codes of RXE and ROR, which I assume are Lotus proprietary codes.

It also showed P0647 A/C Clutch Relay Control Circuit High, C1D47 - Chassis, C1C47 Chassis, C1B47 Chassis, and C1A00 Chassis messages (but none of these were marked as current faults).

Anyone have any idea what the significance of these codes might be?
 

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RXE and RORare OBD-reader faults, they mean nothing. The ECU doesn't actually give any "Cxxxx" faults, all Lotus faults are Pxxxx. Cxxxx faults are misinterpretation of Torque.

Clear them and see if they come back. I had them once much like you, they didn't come back. If they do, you'll need to go to the dealer.
 

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It is a pretty long list of codes:

EMR.1 - DIAGNOSTIC TROUBLE CODE (DTC) LIST
P0011 A Camshaft Position - Timing Over-Advanced or System Performance - Bank 1 11
P0012 A Camshaft Position - Timing Over-Retarded - Bank 1 11
P0014 B Camshaft Position - Timing Over-Advanced or System Performance - Bank 1 11
P0015 B Camshaft Position - Timing Over-Retarded - Bank 1 11
P0016 Crankshaft Position - Camshaft Position Correlation - Bank 1 Sensor A 12
P0017 Crankshaft Position - Camshaft Position Correlation - Bank 1 Sensor B 12
P0018 Crankshaft Position - Camshaft Position Correlation - Bank 2 Sensor A 12
P0019 Crankshaft Position - Camshaft Position Correlation - Bank 2 Sensor B 12
P0021 A Camshaft Position - Timing Over-Advanced or System Performance - Bank 2 11
P0022 A Camshaft Position - Timing Over-Retarded - Bank 2 11
P0024 B Camshaft Position - Timing Over-Advanced or System Performance - Bank 2 11
P0025 B Camshaft Position - Timing Over-Retarded - Bank 2 11
P0071 Ambient Air Temperature Sensor Range/Performance 12
P0076 Intake Valve Control Solenoid Circuit Low - Bank 1 13
P0077 Intake Valve Control Solenoid Circuit High - Bank 1 13
P0079 Exhaust Valve Control Solenoid Circuit Low - Bank 1 13
P0080 Exhaust Valve Control Solenoid Circuit High - Bank 1 13
P0082 Intake Valve Control Solenoid Circuit Low - Bank 2 13
P0083 Intake Valve Control Solenoid Circuit High - Bank 2 13
P0085 Exhaust Valve Control Solenoid Circuit Low - Bank 2 13
P0086 Exhaust Valve Control Solenoid Circuit High - Bank 2 13
P0101 Mass or Volume Air Flow Circuit Range/Performance 14
P0102 Mass or Volume Air Flow Circuit Low Input 14
P0103 Mass or Volume Air Flow Circuit High Input 14
P0106 Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance 16
P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low Input 16
P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input 16
P0111 Intake Air Temperature Sensor 1 Circuit Range/Performance 17
P0112 Intake Air Temperature Sensor 1 Circuit Low 17
P0113 Intake Air Temperature Sensor 1 Circuit High 17
P0116 Engine Coolant Temperature Circuit Range/Performance 19
P0117 Engine Coolant Temperature Circuit Low 19
P0118 Engine Coolant Temperature Circuit High 19
P0122 Throttle Position Sensor 'A' Circuit Low 21
P0123 Throttle Position Sensor 'A' Circuit High 21
P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) 23
P0131 O2 Sensor Circuit Low Voltage (Pre Catalyst) - Bank1 24
P0132 O2 Sensor Circuit High Voltage (Pre Catalyst) - Bank1 24
P0133 O2 Sensor Circuit Slow Response (Pre Catalyst) - Bank1 24
P0134 O2 Sensor Circuit No Activity Detected (Pre Catalyst) - Bank1 24
P0135 O2 Sensor Heater Circuit (Pre Catalyst) - Bank1 24
P0137 O2 Sensor Circuit Low Voltage (Post Catalyst) - Bank1 27
P0138 O2 Sensor Circuit High Voltage (Post Catalyst) - Bank1 27
P0139 O2 Sensor Circuit Slow Response (Post Catalyst) 27
P0140 O2 Sensor Circuit No Activity Detected (Post Catalyst) - Bank1 27
P0141 O2 Sensor Heater Circuit (Post Catalyst) - Bank1 24
P0151 O2 Sensor Circuit Low Voltage (Pre Catalyst) – Bank2 24
P0152 O2 Sensor Circuit High Voltage (Pre Catalyst) – Bank2 24
P0153 O2 Sensor Circuit Slow Response (Pre Catalyst) – Bank2 24
P0154 O2 Sensor Circuit No Activity Detected (Pre Catalyst) – Bank2 24
P0155 O2 Sensor Heater Circuit (Pre Catalyst) – Bank2 24
P0157 O2 Sensor Circuit Low Voltage (Post Catalyst) – Bank2 27
P0158 O2 Sensor Circuit High Voltage (Post Catalyst) – Bank2 27
P0159 O2 sensor Circuit Slow Response (Post Catalyst) 27
P0160 O2 Sensor Circuit No Activity Detected (Post Catalyst) – Bank2 27
P0161 O2 Sensor Heater Circuit (post Catalyst) – Bank2 27
P0171 System Too Lean – Bank1 31
P0172 System Too Rich – Bank1 31
P0174 System Too Lean – Bank2 31
P0175 System Too Rich – Bank2 31
P0222 Throttle Position Sensor 'B' Circuit Low 21
P0223 Throttle Position Sensor 'B' Circuit High 21
P0261 Cylinder 1 Injector Circuit Low 33
P0262 Cylinder 1 Injector Circuit High 33
P0264 Cylinder 2 Injector Circuit Low 33
P0265 Cylinder 2 Injector Circuit High 33
P0267 Cylinder 3 Injector Circuit Low 33
P0268 Cylinder 3 Injector Circuit High 33
P0270 Cylinder 4 Injector Circuit Low 33
P0271 Cylinder 4 Injector Circuit High 33
P0273 Cylinder 5 Injector Circuit Low 33
P0274 Cylinder 5 Injector Circuit High 33
P0276 Cylinder 6 Injector Circuit Low 33
P0277 Cylinder 6 Injector Circuit High 33
P0300 Random/Multiple Cylinder Misfire Detected 34
P0301 Cylinder 1 Misfire Detected 34
P0302 Cylinder 2 Misfire Detected 34
P0303 Cylinder 3 Misfire Detected 34
P0304 Cylinder 4 Misfire Detected 34
P0305 Cylinder 5 Misfire Detected 34
P0306 Cylinder 6 Misfire Detected 34
P0327 Knock Sensor 1 Circuit Low 35
P0328 Knock Sensor 1 Circuit High 35
P0332 Knock Sensor 2 Circuit Low 35
P0333 Knock Sensor 2 Circuit High 35
P0335 Crankshaft Position Sensor “A” Circuit Range/Performance 36
P0341 Camshaft Position Sensor “A” Circuit Range/Performance (Bank 1) 37
P0346 Camshaft Position Sensor “A” Circuit Range/Performance (Bank 2) 37
P0351 Ignition Coil “A” Primary/Secondary Circuit 38
P0352 Ignition Coil “B” Primary/Secondary Circuit 38
P0353 Ignition Coil “C” Primary/Secondary Circuit 38
P0354 Ignition Coil “D” Primary/Secondary Circuit 38
P0355 Ignition Coil “E” Primary/Secondary Circuit 38
P0356 Ignition Coil “F” Primary/Secondary Circuit 38
P0366 Camshaft Position Sensor “B” Circuit Range/Performance (Bank 1) 37
P0391 Camshaft Position Sensor “B” Circuit Range/Performance (Bank 2) 37
P0420 Catalyst System Efficiency Below Threshold (Bank 1) 39
P0430 Catalyst System Efficiency Below Threshold (Bank 2) 39
P0441 Evaporative Emission System Incorrect Purge Flow 40
P0442 Evaporative Emission System Leak Detected (small leak) 40
P0444 Evaporative Emission System Purge Control Valve Circuit Open 43
P0445 Evaporative Emission System Purge Control Valve Circuit Shorted 43
P0446 Evaporative Emission System Vent Control Circuit 43
P0447 Evaporative Emission System Vent Control Circuit Open 43
P0448 Evaporative Emission System Vent Control Circuit Shorted 43
P0451 Evaporative Emission System Pressure Sensor/Switch Range/Performance 43
P0452 Evaporative Emission System Pressure Sensor/Switch Low 43
P0453 Evaporative Emission System Pressure Sensor/Switch High 43
P0455 Evaporative Emission System Leak Detected (large leak) 40
P0456 Evaporative Emission System Leak Detected (very small leak) 40
P0461 Fuel Level Sensor “A” Circuit Range/Performance 44
P0462 Fuel Level Sensor “A” Circuit Low 44
P0463 Fuel Level Sensor “A” Circuit High 44
P0500 Vehicle Speed Sensor “A” 48
P0506 Idle Air Control System RPM Lower Than Expected 48
P0507 Idle Air Control System RPM Higher Than Expected 48
P050A Cold Start Idle Air Control System Performance 50
P050B Cold Start Ignition Timing Performance 50
P0523 Engine Oil Pressure Senor Switch High 50
P0562 System Voltage Low 53
P0563 System Voltage High 53
P0601 Watchdog 54
P0606 Checksum 54
P0610 Variant Code not Programmed 55
P0628 Fuel Pump Control Circuit Low 56
P0629 Fuel Pump Control Circuit High 56
P0630 VIN not Programmed or Incompatible 56
P0638 Throttle Control Error 57
P0661 Intake Manifold Tuning Valve Control Circuit Low 59
P0662 Intake Manifold Tuning Valve Control Circuit High 59
P0685 ECM Power Relay Control Circuit Open 60
P0700 Transmission Control System (MIL Request) 60
P1301 Misfire level causing emissions increase 65
P1302 Misfire level causing catalyst system damage 65
P2100 Throttle Actuator Control Motor Circuit/Open 66
P2102 Throttle Actuator Control Motor Circuit Low 66
P2103 Throttle Actuator Control Motor Circuit High 66
P2104 Throttle Actuator Control System – Forced Idle 66
P2105 Throttle Actuator Control System – Forced Engine Shutdown 66
P2106 Throttle Actuator Control System – Forced Limited Power 66
P2107 Throttle Actuator Control Module Processor 66
P2108 Throttle Actuator Control Module Performance 66
P2119 Throttle Actuator Control Throttle Body Range/Performance 66
P2122 Throttle/Pedal Position Sensor/Switch "D" Circuit Low 69
P2123 Throttle/Pedal Position Sensor/Switch "D" Circuit High 69
P2127 Throttle/Pedal Position Sensor/Switch "E" Circuit Low 69
P2128 Throttle/Pedal Position Sensor/Switch "E" Circuit High 69
P2135 Voltage Correlation Error (Sensors “A” & “B”). 69
P2138 Voltage Correlation Error (Sensors “D” & “E”). 69
P2170 Exhaust Pressure Regulator Vent Solenoid Control Circuit Low 72
P2171 Exhaust Pressure Regulator Vent Solenoid Control Circuit High 72
P2173 Throttle Actuator Control System – High Airflow Detected 72
P2191 System Too Lean at Higher Load – Bank1 73
P2193 System Too Lean at Higher Load – Bank2 73

Non MIL fault codes
P0480 Fan 1 Control Circuit 46
P0481 Fan 2 Control Circuit 46
P0482 Fan 3 Control Circuit 47
P0537 A/C Evaporator Temperature Sensor Circuit Low 51
P0538 A/C Evaporator Temperature Sensor Circuit High 51
P0564 Cruise Control Multi-function Input Signal 53
P0571 Brake Switch “A” Circuit 53
P0578 Cruise Control Multi-Function Input “A” Circuit Stuck 53
P0616 Starter Relay Circuit Low 55
P0617 Starter Relay Circuit High 55
P0646 A/C Clutch Relay Control Circuit Low 58
P0647 A/C Clutch Relay Control Circuit High 58
P0806 Clutch Position Sensor Circuit Range/Performance 61
P0807 Clutch Position Sensor Circuit Low 61
P0808 Clutch Position Sensor Circuit High 61
P0826 Up and Down Shift Switch Circuit 62
P0827 Up and Down Shift Switch Circuit Low 62
P0828 Up and Down Shift Switch Circuit High 62
P1113 Air Intake Control Valve Circuit 63
P2602 Coolant Pump Control Circuit Low 64
P2603 Coolant Pump Control Circuit High 64
P2612 A/C Refrigerant Distribution Valve Control Circuit Low 74
P2613 A/C Refrigerant Distribution Valve Control Circuit High 74
B1422 A/C Compressor Lock Sensor Circuit 75
U0101 Lost Communications with TCM 76
U0122 Lost Communications with VDCM 76
U0127 Lost Communications with TPMS 76
U0302 Software Incompatible with TCM 77
U0316 Software Incompatible with VDCM 77

Everything here in Section EMR of the Service Notes: https://db.tt/UGc6v23y
 

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It is a pretty long list of codes: .......................................................


Everything here in Section EMR of the Service Notes: https://db.tt/UGc6v23y
tbd_Evora just gave everyone who doesn’t have it a huge bonus! :bow:
Follow his link for answers to most of your questions. :clap:

texevora, as tbd_Evora stated, more info on your “P0647 A/C Clutch Relay Control Circuit High”, is in section EMR, page 58:
 

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Wow! The 2014 Service Notes are >300 pages longer than the 2009 version I had. Lotus must have learned a lot in the past 5 years. Thank you! :clap:
 

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Discussion Starter #7
My wrench light stopped turning on just like yours did TBD... Guess i'll keep an eye on it to see if it pops back up.

Thanks for the insight.
 

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I have a May '13 parts list. Only '14 parts list I can find is interactive on mylotusgarage.com, not able to download but they let you download the prior edition.

The service notes state revision date on the page bottom if changed from original publication. My copy is from July '12, this new one has more diagrams typically reflecting more assembly detail or revisions due to TSB's .. By 2020 we should have a good manual. Now if they could only work on those wiring diagrams. .. Those things are so old the state "Eagle".
 

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Wow! The 2014 Service Notes are >300 pages longer than the 2009 version I had. Lotus must have learned a lot in the past 5 years. Thank you! :clap:
No just added federal wiring diagrams, automatics, and supercharges
 

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when you get PO-341 camshaft position sensor error , and the car will crank over but not start , ???????
Any help will be much appreciated .
 
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