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.
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HOMESERVICE MANUALSMITSUBISHI1990MONTERO SP, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 55 (CHASSIS ELECTRICAL - LANCER EVOLUTION (5 OF 5))ETACSSPECIAL TOOLDIAGNOSTIC TROUBLE CODE CHART
1990 Mitsubishi Montero SP, Standard
Diagnostic Trouble Code Chart
1990 Mitsubishi Montero SP, StandardSECTION Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE CHART
| DTC No. | Description | ||
|---|---|---|---|
| U0001 | Bus off (CAN-C) | ||
| U0019 | Bus off (CAN-B) | ||
| U0100 | Engine control module CAN timeout | ||
| U0101 | TC-SST-ECU CAN timeout | ||
| U0103 | Shift lever CAN timeout | ||
| U0121 | ASC-ECU CAN timeout | ||
| U0126 | Steering wheel sensor CAN timeout | ||
| U0136 | S-AWC-ECU CAN timeout | ||
| U0151 | SRS-ECU CAN timeout | ||
| U0154 | Occupant classification-ECU CAN timeout | ||
| U0155 | Combination meter CAN timeout | ||
| U0164 | A/C-ECU CAN timeout | ||
| U0168 | WCM or KOS-ECU CAN timeout | ||
| U0184 | Audio CAN timeout | ||
| U0195 | Satellite radio tuner CAN timeout | ||
| U0197 | Hands free module CAN timeout | ||
| U0245 | CAN box unit CAN timeout | ||
| U1108 | Excess CAN-B ECU detection | ||
| U1120 | Bus line (CAN-C) low input | ||
| U1121 | Bus line (CAN-C) high input | ||
| U0169 | Sunroof LIN timeout < Vehicles with sunroof > | ||
| U0215 | P/W SW (DR) LIN timeout | ||
| U0231 | Rain light sensor LIN timeout < Vehicles with auto light function > | ||
| U1109 | Column SW LIN timeout | ||
| U150B | Column SW checksum error | ||
| U150C | P/W SW (DR) checksum error | ||
| U1511 | Sunroof checksum error < Vehicles with sunroof > | ||
| U1512 | Rain light sensor checksum error < Vehicles with auto light function > | ||
| U1514 | Bit error (LIN) | ||
| U1515 | No-Bus activity error (LIN) | ||
| U0331 (1) | ECU internal error | ||
| B1034 | Ambient air temperature sensor system (short circuit) | ||
| B1035 | |||
| B16A0 | Taillight (RH) open circuit | ||
| B16A1 | Taillight (LH) open circuit | ||
| B16A2 | Blown turn-signal light (LH) bulb | ||
| B16A3 | Turn-signal light (LH) short circuit | ||
| B16A4 | Blown turn-signal light (RH) bulb | ||
| B16A5 | Turn-signal light (RH) short circuit | ||
| B16A6 | Turn-signal fuse blown | ||
| B16A7 | Taillight (RH) short circuit | ||
| B16A8 | Taillight (LH) short circuit | ||
| B1761 (1) | VIN not recorded | ||
| B210A | +B power supply (low input) | ||
| B210B | +B power supply (high input) | ||
| B222C (1) | Coding incomplete | ||
| B2206 (1) | Chassis number does not match | ||
| B2215 (1) | ECU internal error | ||
| B2350 | Lighting switch | ||
| B2351 | Wiper switch | ||
| B2353 | Ignition power supply (low input) | ||
| B2354 | Ignition power supply (high input) | ||
|
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.